Finding the Fourth Proportional to 9,485.32, 13,086.12 and 5,505.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485.32 : 13,086.12 = 5,505.76 : x
2. Step 2: Convert to fraction form
   9,485.32/13,086.12 = 5,505.76/x
3. Step 3: Cross multiply
   9,485.32x = 13,086.12 × 5,505.76
4. Step 4: Simplify right side
   9,485.32x = 72,049,036.05
5. Step 5: Solve for x
   x = 72,049,036.05/9,485.32
6. Step 6: Final answer
   x = 7,595.85