Finding the Fourth Proportional to 8,911.72, 12,298.03 and 4,932.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,911.72 : 12,298.03 = 4,932.75 : x
2. Step 2: Convert to fraction form
   8,911.72/12,298.03 = 4,932.75/x
3. Step 3: Cross multiply
   8,911.72x = 12,298.03 × 4,932.75
4. Step 4: Simplify right side
   8,911.72x = 60,663,082.82
5. Step 5: Solve for x
   x = 60,663,082.82/8,911.72
6. Step 6: Final answer
   x = 6,807.11