Finding the Fourth Proportional to 5,860.91, 8,090.54 and 5,702.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,860.91 : 8,090.54 = 5,702.96 : x
2. Step 2: Convert to fraction form
   5,860.91/8,090.54 = 5,702.96/x
3. Step 3: Cross multiply
   5,860.91x = 8,090.54 × 5,702.96
4. Step 4: Simplify right side
   5,860.91x = 46,139,957.03
5. Step 5: Solve for x
   x = 46,139,957.03/5,860.91
6. Step 6: Final answer
   x = 7,872.50