Finding the Fourth Proportional to 23,060.88, 31,818.72 and 13,624.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,060.88 : 31,818.72 = 13,624.32 : x
2. Step 2: Convert to fraction form
   23,060.88/31,818.72 = 13,624.32/x
3. Step 3: Cross multiply
   23,060.88x = 31,818.72 × 13,624.32
4. Step 4: Simplify right side
   23,060.88x = 433,508,423.27
5. Step 5: Solve for x
   x = 433,508,423.27/23,060.88
6. Step 6: Final answer
   x = 18,798.43