Finding the Fourth Proportional to 17,862.06, 24,650.55 and 9,905.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,862.06 : 24,650.55 = 9,905.10 : x
2. Step 2: Convert to fraction form
   17,862.06/24,650.55 = 9,905.10/x
3. Step 3: Cross multiply
   17,862.06x = 24,650.55 × 9,905.10
4. Step 4: Simplify right side
   17,862.06x = 244,166,162.81
5. Step 5: Solve for x
   x = 244,166,162.81/17,862.06
6. Step 6: Final answer
   x = 13,669.54