Finding the Fourth Proportional to 5,702.24, 7,870.56 and 3,717.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,702.24 : 7,870.56 = 3,717.76 : x
2. Step 2: Convert to fraction form
   5,702.24/7,870.56 = 3,717.76/x
3. Step 3: Cross multiply
   5,702.24x = 7,870.56 × 3,717.76
4. Step 4: Simplify right side
   5,702.24x = 29,260,853.15
5. Step 5: Solve for x
   x = 29,260,853.15/5,702.24
6. Step 6: Final answer
   x = 5,131.47