Finding the Fourth Proportional to 8,499.32, 11,730.46 and 4,961.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.32 : 11,730.46 = 4,961.86 : x
2. Step 2: Convert to fraction form
   8,499.32/11,730.46 = 4,961.86/x
3. Step 3: Cross multiply
   8,499.32x = 11,730.46 × 4,961.86
4. Step 4: Simplify right side
   8,499.32x = 58,204,900.26
5. Step 5: Solve for x
   x = 58,204,900.26/8,499.32
6. Step 6: Final answer
   x = 6,848.18