Finding the Fourth Proportional to 22,566,943.33, 31,143,274.73 and 12,643,911.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,566,943.33 : 31,143,274.73 = 12,643,911.61 : x
2. Step 2: Convert to fraction form
   22,566,943.33/31,143,274.73 = 12,643,911.61/x
3. Step 3: Cross multiply
   22,566,943.33x = 31,143,274.73 × 12,643,911.61
4. Step 4: Simplify right side
   22,566,943.33x = 393,772,812,932,066.62
5. Step 5: Solve for x
   x = 393,772,812,932,066.62/22,566,943.33
6. Step 6: Final answer
   x = 17,449,098.32