Finding the Fourth Proportional to 2,572.74, 3,858.48 and 1,401.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.74 : 3,858.48 = 1,401.48 : x
2. Step 2: Convert to fraction form
   2,572.74/3,858.48 = 1,401.48/x
3. Step 3: Cross multiply
   2,572.74x = 3,858.48 × 1,401.48
4. Step 4: Simplify right side
   2,572.74x = 5,407,582.55
5. Step 5: Solve for x
   x = 5,407,582.55/2,572.74
6. Step 6: Final answer
   x = 2,101.88