Finding the Fourth Proportional to 2,501.43, 3,452.12 and 2,148.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.43 : 3,452.12 = 2,148.78 : x
2. Step 2: Convert to fraction form
   2,501.43/3,452.12 = 2,148.78/x
3. Step 3: Cross multiply
   2,501.43x = 3,452.12 × 2,148.78
4. Step 4: Simplify right side
   2,501.43x = 7,417,835.67
5. Step 5: Solve for x
   x = 7,417,835.67/2,501.43
6. Step 6: Final answer
   x = 2,965.44