Finding the Fourth Proportional to 142,672,340.72, 213,645,209.58 and 94,002,641.64

Step by Step Solution

1. Step 1: Write the proportion equation
   142,672,340.72 : 213,645,209.58 = 94,002,641.64 : x
2. Step 2: Convert to fraction form
   142,672,340.72/213,645,209.58 = 94,002,641.64/x
3. Step 3: Cross multiply
   142,672,340.72x = 213,645,209.58 × 94,002,641.64
4. Step 4: Simplify right side
   142,672,340.72x = 20,083,214,074,251,436
5. Step 5: Solve for x
   x = 20,083,214,074,251,436/142,672,340.72
6. Step 6: Final answer
   x = 140,764,593.70