Finding the Fourth Proportional to 17,720.59, 24,453.31 and 9,762.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,720.59 : 24,453.31 = 9,762.37 : x
2. Step 2: Convert to fraction form
   17,720.59/24,453.31 = 9,762.37/x
3. Step 3: Cross multiply
   17,720.59x = 24,453.31 × 9,762.37
4. Step 4: Simplify right side
   17,720.59x = 238,722,259.94
5. Step 5: Solve for x
   x = 238,722,259.94/17,720.59
6. Step 6: Final answer
   x = 13,471.46