Finding the Fourth Proportional to 8,711.32, 12,018.72 and 4,934.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,711.32 : 12,018.72 = 4,934.10 : x
2. Step 2: Convert to fraction form
   8,711.32/12,018.72 = 4,934.10/x
3. Step 3: Cross multiply
   8,711.32x = 12,018.72 × 4,934.10
4. Step 4: Simplify right side
   8,711.32x = 59,301,566.35
5. Step 5: Solve for x
   x = 59,301,566.35/8,711.32
6. Step 6: Final answer
   x = 6,807.41