Finding the Fourth Proportional to 3,726.25, 5,142.23 and 2,070.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.25 : 5,142.23 = 2,070.25 : x
2. Step 2: Convert to fraction form
   3,726.25/5,142.23 = 2,070.25/x
3. Step 3: Cross multiply
   3,726.25x = 5,142.23 × 2,070.25
4. Step 4: Simplify right side
   3,726.25x = 10,645,691.31
5. Step 5: Solve for x
   x = 10,645,691.31/3,726.25
6. Step 6: Final answer
   x = 2,856.95