Finding the Fourth Proportional to 22,885,792.20, 31,582,241.28 and 12,431,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,885,792.20 : 31,582,241.28 = 12,431,713.50 : x
2. Step 2: Convert to fraction form
   22,885,792.20/31,582,241.28 = 12,431,713.50/x
3. Step 3: Cross multiply
   22,885,792.20x = 31,582,241.28 × 12,431,713.50
4. Step 4: Simplify right side
   22,885,792.20x = 392,621,375,280,833.31
5. Step 5: Solve for x
   x = 392,621,375,280,833.31/22,885,792.20
6. Step 6: Final answer
   x = 17,155,682.09