Finding the Fourth Proportional to 11,105.61, 16,663.02 and 4,862.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.61 : 16,663.02 = 4,862.40 : x
2. Step 2: Convert to fraction form
   11,105.61/16,663.02 = 4,862.40/x
3. Step 3: Cross multiply
   11,105.61x = 16,663.02 × 4,862.40
4. Step 4: Simplify right side
   11,105.61x = 81,022,268.45
5. Step 5: Solve for x
   x = 81,022,268.45/11,105.61
6. Step 6: Final answer
   x = 7,295.62