Finding the Fourth Proportional to 3,726.13, 5,142.27 and 2,047.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.13 : 5,142.27 = 2,047.69 : x
2. Step 2: Convert to fraction form
   3,726.13/5,142.27 = 2,047.69/x
3. Step 3: Cross multiply
   3,726.13x = 5,142.27 × 2,047.69
4. Step 4: Simplify right side
   3,726.13x = 10,529,774.86
5. Step 5: Solve for x
   x = 10,529,774.86/3,726.13
6. Step 6: Final answer
   x = 2,825.93