Finding the Fourth Proportional to 8,499.32, 12,755.13 and 4,808.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.32 : 12,755.13 = 4,808.76 : x
2. Step 2: Convert to fraction form
   8,499.32/12,755.13 = 4,808.76/x
3. Step 3: Cross multiply
   8,499.32x = 12,755.13 × 4,808.76
4. Step 4: Simplify right side
   8,499.32x = 61,336,358.94
5. Step 5: Solve for x
   x = 61,336,358.94/8,499.32
6. Step 6: Final answer
   x = 7,216.62