Finding the Fourth Proportional to 7,155.96, 9,854.76 and 7,003.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,155.96 : 9,854.76 = 7,003.32 : x
2. Step 2: Convert to fraction form
   7,155.96/9,854.76 = 7,003.32/x
3. Step 3: Cross multiply
   7,155.96x = 9,854.76 × 7,003.32
4. Step 4: Simplify right side
   7,155.96x = 69,016,037.80
5. Step 5: Solve for x
   x = 69,016,037.80/7,155.96
6. Step 6: Final answer
   x = 9,644.55