Finding the Fourth Proportional to 8,702.08, 12,008.72 and 4,976

Step by Step Solution

1. Step 1: Write the proportion equation
   8,702.08 : 12,008.72 = 4,976 : x
2. Step 2: Convert to fraction form
   8,702.08/12,008.72 = 4,976/x
3. Step 3: Cross multiply
   8,702.08x = 12,008.72 × 4,976
4. Step 4: Simplify right side
   8,702.08x = 59,755,390.72
5. Step 5: Solve for x
   x = 59,755,390.72/8,702.08
6. Step 6: Final answer
   x = 6,866.79