Finding the Fourth Proportional to 9,155.50, 12,632.92 and 7,895.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.50 : 12,632.92 = 7,895.23 : x
2. Step 2: Convert to fraction form
   9,155.50/12,632.92 = 7,895.23/x
3. Step 3: Cross multiply
   9,155.50x = 12,632.92 × 7,895.23
4. Step 4: Simplify right side
   9,155.50x = 99,739,808.97
5. Step 5: Solve for x
   x = 99,739,808.97/9,155.50
6. Step 6: Final answer
   x = 10,893.98