Finding the Fourth Proportional to 1,032.16, 1,547.52 and 382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032.16 : 1,547.52 = 382.72 : x
2. Step 2: Convert to fraction form
   1,032.16/1,547.52 = 382.72/x
3. Step 3: Cross multiply
   1,032.16x = 1,547.52 × 382.72
4. Step 4: Simplify right side
   1,032.16x = 592,266.85
5. Step 5: Solve for x
   x = 592,266.85/1,032.16
6. Step 6: Final answer
   x = 573.81