Finding the Fourth Proportional to 22,918.52, 31,612.20 and 14,962.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,918.52 : 31,612.20 = 14,962.70 : x
2. Step 2: Convert to fraction form
   22,918.52/31,612.20 = 14,962.70/x
3. Step 3: Cross multiply
   22,918.52x = 31,612.20 × 14,962.70
4. Step 4: Simplify right side
   22,918.52x = 473,003,864.94
5. Step 5: Solve for x
   x = 473,003,864.94/22,918.52
6. Step 6: Final answer
   x = 20,638.50