Finding the Fourth Proportional to 17,746.54, 24,490.28 and 9,788.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,746.54 : 24,490.28 = 9,788.90 : x
2. Step 2: Convert to fraction form
   17,746.54/24,490.28 = 9,788.90/x
3. Step 3: Cross multiply
   17,746.54x = 24,490.28 × 9,788.90
4. Step 4: Simplify right side
   17,746.54x = 239,732,901.89
5. Step 5: Solve for x
   x = 239,732,901.89/17,746.54
6. Step 6: Final answer
   x = 13,508.71