Finding the Fourth Proportional to 2,100.52, 3,148.55 and 1,002.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.52 : 3,148.55 = 1,002.56 : x
2. Step 2: Convert to fraction form
   2,100.52/3,148.55 = 1,002.56/x
3. Step 3: Cross multiply
   2,100.52x = 3,148.55 × 1,002.56
4. Step 4: Simplify right side
   2,100.52x = 3,156,605.28
5. Step 5: Solve for x
   x = 3,156,605.28/2,100.52
6. Step 6: Final answer
   x = 1,502.78