Finding the Fourth Proportional to 22,925.43, 31,637.69 and 13,970.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,925.43 : 31,637.69 = 13,970.88 : x
2. Step 2: Convert to fraction form
   22,925.43/31,637.69 = 13,970.88/x
3. Step 3: Cross multiply
   22,925.43x = 31,637.69 × 13,970.88
4. Step 4: Simplify right side
   22,925.43x = 442,006,353.00
5. Step 5: Solve for x
   x = 442,006,353.00/22,925.43
6. Step 6: Final answer
   x = 19,280.18