Finding the Fourth Proportional to 17,530.56, 24,192.18 and 9,978.39

Step by Step Solution

1. Step 1: Write the proportion equation
   17,530.56 : 24,192.18 = 9,978.39 : x
2. Step 2: Convert to fraction form
   17,530.56/24,192.18 = 9,978.39/x
3. Step 3: Cross multiply
   17,530.56x = 24,192.18 × 9,978.39
4. Step 4: Simplify right side
   17,530.56x = 241,399,006.99
5. Step 5: Solve for x
   x = 241,399,006.99/17,530.56
6. Step 6: Final answer
   x = 13,770.18