Finding the Fourth Proportional to 17,577.80, 24,257.37 and 9,620.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,577.80 : 24,257.37 = 9,620.02 : x
2. Step 2: Convert to fraction form
   17,577.80/24,257.37 = 9,620.02/x
3. Step 3: Cross multiply
   17,577.80x = 24,257.37 × 9,620.02
4. Step 4: Simplify right side
   17,577.80x = 233,356,384.55
5. Step 5: Solve for x
   x = 233,356,384.55/17,577.80
6. Step 6: Final answer
   x = 13,275.63