Finding the Fourth Proportional to 76,443,069.30, 107,322,627.90 and 76,443,069.30

Step by Step Solution

1. Step 1: Write the proportion equation
   76,443,069.30 : 107,322,627.90 = 76,443,069.30 : x
2. Step 2: Convert to fraction form
   76,443,069.30/107,322,627.90 = 76,443,069.30/x
3. Step 3: Cross multiply
   76,443,069.30x = 107,322,627.90 × 76,443,069.30
4. Step 4: Simplify right side
   76,443,069.30x = 8,204,071,082,017,814
5. Step 5: Solve for x
   x = 8,204,071,082,017,814/76,443,069.30
6. Step 6: Final answer
   x = 107,322,627.90