Finding the Fourth Proportional to 9,101.31, 12,560.31 and 5,563.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,101.31 : 12,560.31 = 5,563.50 : x
2. Step 2: Convert to fraction form
   9,101.31/12,560.31 = 5,563.50/x
3. Step 3: Cross multiply
   9,101.31x = 12,560.31 × 5,563.50
4. Step 4: Simplify right side
   9,101.31x = 69,879,284.69
5. Step 5: Solve for x
   x = 69,879,284.69/9,101.31
6. Step 6: Final answer
   x = 7,677.94