Finding the Fourth Proportional to 10,451,091.42, 14,416,689.27 and 9,711,288.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,451,091.42 : 14,416,689.27 = 9,711,288.17 : x
2. Step 2: Convert to fraction form
   10,451,091.42/14,416,689.27 = 9,711,288.17/x
3. Step 3: Cross multiply
   10,451,091.42x = 14,416,689.27 × 9,711,288.17
4. Step 4: Simplify right side
   10,451,091.42x = 140,004,623,962,634.34
5. Step 5: Solve for x
   x = 140,004,623,962,634.34/10,451,091.42
6. Step 6: Final answer
   x = 13,396,172.55