Finding the Fourth Proportional to 5,764.13, 7,957.89 and 5,431.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,764.13 : 7,957.89 = 5,431.98 : x
2. Step 2: Convert to fraction form
   5,764.13/7,957.89 = 5,431.98/x
3. Step 3: Cross multiply
   5,764.13x = 7,957.89 × 5,431.98
4. Step 4: Simplify right side
   5,764.13x = 43,227,129.16
5. Step 5: Solve for x
   x = 43,227,129.16/5,764.13
6. Step 6: Final answer
   x = 7,499.33