Finding the Fourth Proportional to 17,580.17, 24,259.70 and 9,620.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,580.17 : 24,259.70 = 9,620.86 : x
2. Step 2: Convert to fraction form
   17,580.17/24,259.70 = 9,620.86/x
3. Step 3: Cross multiply
   17,580.17x = 24,259.70 × 9,620.86
4. Step 4: Simplify right side
   17,580.17x = 233,399,213.42
5. Step 5: Solve for x
   x = 233,399,213.42/17,580.17
6. Step 6: Final answer
   x = 13,276.27