Finding the Fourth Proportional to 9,862.50, 13,610.79 and 5,671.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,862.50 : 13,610.79 = 5,671.02 : x
2. Step 2: Convert to fraction form
   9,862.50/13,610.79 = 5,671.02/x
3. Step 3: Cross multiply
   9,862.50x = 13,610.79 × 5,671.02
4. Step 4: Simplify right side
   9,862.50x = 77,187,062.31
5. Step 5: Solve for x
   x = 77,187,062.31/9,862.50
6. Step 6: Final answer
   x = 7,826.32