Finding the Fourth Proportional to 205,337,000,620.16, 307,788,113,769.78 and 69,069,401,443.53

Step by Step Solution

1. Step 1: Write the proportion equation
   205,337,000,620.16 : 307,788,113,769.78 = 69,069,401,443.53 : x
2. Step 2: Convert to fraction form
   205,337,000,620.16/307,788,113,769.78 = 69,069,401,443.53/x
3. Step 3: Cross multiply
   205,337,000,620.16x = 307,788,113,769.78 × 69,069,401,443.53
4. Step 4: Simplify right side
   205,337,000,620.16x = 21,258,740,789,511,203,061,760
5. Step 5: Solve for x
   x = 21,258,740,789,511,203,061,760/205,337,000,620.16
6. Step 6: Final answer
   x = 103,530,979,440.17