Finding the Fourth Proportional to 5,754.91, 7,945.17 and 5,422.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,754.91 : 7,945.17 = 5,422.76 : x
2. Step 2: Convert to fraction form
   5,754.91/7,945.17 = 5,422.76/x
3. Step 3: Cross multiply
   5,754.91x = 7,945.17 × 5,422.76
4. Step 4: Simplify right side
   5,754.91x = 43,084,722.96
5. Step 5: Solve for x
   x = 43,084,722.96/5,754.91
6. Step 6: Final answer
   x = 7,486.61