Finding the Fourth Proportional to 6,151.72, 8,487.72 and 4,261.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,151.72 : 8,487.72 = 4,261.18 : x
2. Step 2: Convert to fraction form
   6,151.72/8,487.72 = 4,261.18/x
3. Step 3: Cross multiply
   6,151.72x = 8,487.72 × 4,261.18
4. Step 4: Simplify right side
   6,151.72x = 36,167,702.71
5. Step 5: Solve for x
   x = 36,167,702.71/6,151.72
6. Step 6: Final answer
   x = 5,879.28