Finding the Fourth Proportional to 17,781.62, 24,538.68 and 9,715.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,781.62 : 24,538.68 = 9,715.37 : x
2. Step 2: Convert to fraction form
   17,781.62/24,538.68 = 9,715.37/x
3. Step 3: Cross multiply
   17,781.62x = 24,538.68 × 9,715.37
4. Step 4: Simplify right side
   17,781.62x = 238,402,232.82
5. Step 5: Solve for x
   x = 238,402,232.82/17,781.62
6. Step 6: Final answer
   x = 13,407.23