Finding the Fourth Proportional to 17,530.71, 24,192.99 and 9,978.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,530.71 : 24,192.99 = 9,978.18 : x
2. Step 2: Convert to fraction form
   17,530.71/24,192.99 = 9,978.18/x
3. Step 3: Cross multiply
   17,530.71x = 24,192.99 × 9,978.18
4. Step 4: Simplify right side
   17,530.71x = 241,402,008.96
5. Step 5: Solve for x
   x = 241,402,008.96/17,530.71
6. Step 6: Final answer
   x = 13,770.24