Finding the Fourth Proportional to 22,937.13, 31,650.71 and 12,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,937.13 : 31,650.71 = 12,863.50 : x
2. Step 2: Convert to fraction form
   22,937.13/31,650.71 = 12,863.50/x
3. Step 3: Cross multiply
   22,937.13x = 31,650.71 × 12,863.50
4. Step 4: Simplify right side
   22,937.13x = 407,138,685.51
5. Step 5: Solve for x
   x = 407,138,685.51/22,937.13
6. Step 6: Final answer
   x = 17,750.20