Finding the Fourth Proportional to 1,612.59, 2,417.25 and 1,020.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.59 : 2,417.25 = 1,020.05 : x
2. Step 2: Convert to fraction form
   1,612.59/2,417.25 = 1,020.05/x
3. Step 3: Cross multiply
   1,612.59x = 2,417.25 × 1,020.05
4. Step 4: Simplify right side
   1,612.59x = 2,465,715.86
5. Step 5: Solve for x
   x = 2,465,715.86/1,612.59
6. Step 6: Final answer
   x = 1,529.04