Finding the Fourth Proportional to 13,155.04, 18,152.76 and 7,565.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,155.04 : 18,152.76 = 7,565.68 : x
2. Step 2: Convert to fraction form
   13,155.04/18,152.76 = 7,565.68/x
3. Step 3: Cross multiply
   13,155.04x = 18,152.76 × 7,565.68
4. Step 4: Simplify right side
   13,155.04x = 137,337,973.28
5. Step 5: Solve for x
   x = 137,337,973.28/13,155.04
6. Step 6: Final answer
   x = 10,439.95