Finding the Fourth Proportional to 1,025.75, 1,547.55 and 974.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025.75 : 1,547.55 = 974.52 : x
2. Step 2: Convert to fraction form
   1,025.75/1,547.55 = 974.52/x
3. Step 3: Cross multiply
   1,025.75x = 1,547.55 × 974.52
4. Step 4: Simplify right side
   1,025.75x = 1,508,118.43
5. Step 5: Solve for x
   x = 1,508,118.43/1,025.75
6. Step 6: Final answer
   x = 1,470.26