Finding the Fourth Proportional to 17,720.77, 24,454.73 and 9,762.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,720.77 : 24,454.73 = 9,762.82 : x
2. Step 2: Convert to fraction form
   17,720.77/24,454.73 = 9,762.82/x
3. Step 3: Cross multiply
   17,720.77x = 24,454.73 × 9,762.82
4. Step 4: Simplify right side
   17,720.77x = 238,747,090.41
5. Step 5: Solve for x
   x = 238,747,090.41/17,720.77
6. Step 6: Final answer
   x = 13,472.73