Finding the Fourth Proportional to 17,532.81, 24,193.56 and 9,978.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,532.81 : 24,193.56 = 9,978.57 : x
2. Step 2: Convert to fraction form
   17,532.81/24,193.56 = 9,978.57/x
3. Step 3: Cross multiply
   17,532.81x = 24,193.56 × 9,978.57
4. Step 4: Simplify right side
   17,532.81x = 241,417,132.01
5. Step 5: Solve for x
   x = 241,417,132.01/17,532.81
6. Step 6: Final answer
   x = 13,769.45