Finding the Fourth Proportional to 5,726.27, 7,903.40 and 3,914.13

Step by Step Solution

1. Step 1: Write the proportion equation
   5,726.27 : 7,903.40 = 3,914.13 : x
2. Step 2: Convert to fraction form
   5,726.27/7,903.40 = 3,914.13/x
3. Step 3: Cross multiply
   5,726.27x = 7,903.40 × 3,914.13
4. Step 4: Simplify right side
   5,726.27x = 30,934,935.04
5. Step 5: Solve for x
   x = 30,934,935.04/5,726.27
6. Step 6: Final answer
   x = 5,402.28