Finding the Fourth Proportional to 1,502.15, 2,074.61 and 1,006.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502.15 : 2,074.61 = 1,006.83 : x
2. Step 2: Convert to fraction form
   1,502.15/2,074.61 = 1,006.83/x
3. Step 3: Cross multiply
   1,502.15x = 2,074.61 × 1,006.83
4. Step 4: Simplify right side
   1,502.15x = 2,088,782.10
5. Step 5: Solve for x
   x = 2,088,782.10/1,502.15
6. Step 6: Final answer
   x = 1,390.53