Finding the Fourth Proportional to 17,577.50, 24,256.93 and 9,619.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,577.50 : 24,256.93 = 9,619.74 : x
2. Step 2: Convert to fraction form
   17,577.50/24,256.93 = 9,619.74/x
3. Step 3: Cross multiply
   17,577.50x = 24,256.93 × 9,619.74
4. Step 4: Simplify right side
   17,577.50x = 233,345,359.80
5. Step 5: Solve for x
   x = 233,345,359.80/17,577.50
6. Step 6: Final answer
   x = 13,275.23