Finding the Fourth Proportional to 17,935.60, 24,751.08 and 9,978.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,935.60 : 24,751.08 = 9,978.32 : x
2. Step 2: Convert to fraction form
   17,935.60/24,751.08 = 9,978.32/x
3. Step 3: Cross multiply
   17,935.60x = 24,751.08 × 9,978.32
4. Step 4: Simplify right side
   17,935.60x = 246,974,196.59
5. Step 5: Solve for x
   x = 246,974,196.59/17,935.60
6. Step 6: Final answer
   x = 13,770.05