Finding the Fourth Proportional to 2,217,788,181.42, 3,060,571,876.83 and 1,227,730,132.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217,788,181.42 : 3,060,571,876.83 = 1,227,730,132.14 : x
2. Step 2: Convert to fraction form
   2,217,788,181.42/3,060,571,876.83 = 1,227,730,132.14/x
3. Step 3: Cross multiply
   2,217,788,181.42x = 3,060,571,876.83 × 1,227,730,132.14
4. Step 4: Simplify right side
   2,217,788,181.42x = 3,757,556,314,764,464,128
5. Step 5: Solve for x
   x = 3,757,556,314,764,464,128/2,217,788,181.42
6. Step 6: Final answer
   x = 1,694,280,971.58