Finding the Fourth Proportional to 142,454,417, 196,587,108.42 and 80,573,423.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,454,417 : 196,587,108.42 = 80,573,423.72 : x
2. Step 2: Convert to fraction form
   142,454,417/196,587,108.42 = 80,573,423.72/x
3. Step 3: Cross multiply
   142,454,417x = 196,587,108.42 × 80,573,423.72
4. Step 4: Simplify right side
   142,454,417x = 15,839,696,384,614,238
5. Step 5: Solve for x
   x = 15,839,696,384,614,238/142,454,417
6. Step 6: Final answer
   x = 111,191,332.06