Finding the Fourth Proportional to 6,279.77, 8,665.35 and 3,761.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,279.77 : 8,665.35 = 3,761.53 : x
2. Step 2: Convert to fraction form
   6,279.77/8,665.35 = 3,761.53/x
3. Step 3: Cross multiply
   6,279.77x = 8,665.35 × 3,761.53
4. Step 4: Simplify right side
   6,279.77x = 32,594,952.32
5. Step 5: Solve for x
   x = 32,594,952.32/6,279.77
6. Step 6: Final answer
   x = 5,190.47