Finding the Fourth Proportional to 17,374.88, 23,978.52 and 9,818.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,374.88 : 23,978.52 = 9,818.60 : x
2. Step 2: Convert to fraction form
   17,374.88/23,978.52 = 9,818.60/x
3. Step 3: Cross multiply
   17,374.88x = 23,978.52 × 9,818.60
4. Step 4: Simplify right side
   17,374.88x = 235,435,496.47
5. Step 5: Solve for x
   x = 235,435,496.47/17,374.88
6. Step 6: Final answer
   x = 13,550.34