Finding the Fourth Proportional to 23,501.72, 32,425.80 and 15,123.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,501.72 : 32,425.80 = 15,123.08 : x
2. Step 2: Convert to fraction form
   23,501.72/32,425.80 = 15,123.08/x
3. Step 3: Cross multiply
   23,501.72x = 32,425.80 × 15,123.08
4. Step 4: Simplify right side
   23,501.72x = 490,377,967.46
5. Step 5: Solve for x
   x = 490,377,967.46/23,501.72
6. Step 6: Final answer
   x = 20,865.62