Finding the Fourth Proportional to 5,702.72, 7,873.23 and 5,349.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,702.72 : 7,873.23 = 5,349.76 : x
2. Step 2: Convert to fraction form
   5,702.72/7,873.23 = 5,349.76/x
3. Step 3: Cross multiply
   5,702.72x = 7,873.23 × 5,349.76
4. Step 4: Simplify right side
   5,702.72x = 42,119,935.59
5. Step 5: Solve for x
   x = 42,119,935.59/5,702.72
6. Step 6: Final answer
   x = 7,385.94