Finding the Fourth Proportional to 8,823.31, 12,155.02 and 7,560.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,823.31 : 12,155.02 = 7,560.34 : x
2. Step 2: Convert to fraction form
   8,823.31/12,155.02 = 7,560.34/x
3. Step 3: Cross multiply
   8,823.31x = 12,155.02 × 7,560.34
4. Step 4: Simplify right side
   8,823.31x = 91,896,083.91
5. Step 5: Solve for x
   x = 91,896,083.91/8,823.31
6. Step 6: Final answer
   x = 10,415.15