Finding the Fourth Proportional to 17,470.78, 24,113 and 9,917.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,470.78 : 24,113 = 9,917.82 : x
2. Step 2: Convert to fraction form
   17,470.78/24,113 = 9,917.82/x
3. Step 3: Cross multiply
   17,470.78x = 24,113 × 9,917.82
4. Step 4: Simplify right side
   17,470.78x = 239,148,393.66
5. Step 5: Solve for x
   x = 239,148,393.66/17,470.78
6. Step 6: Final answer
   x = 13,688.48