Finding the Fourth Proportional to 1,025.69, 1,538.15 and 332.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025.69 : 1,538.15 = 332.18 : x
2. Step 2: Convert to fraction form
   1,025.69/1,538.15 = 332.18/x
3. Step 3: Cross multiply
   1,025.69x = 1,538.15 × 332.18
4. Step 4: Simplify right side
   1,025.69x = 510,935.81
5. Step 5: Solve for x
   x = 510,935.81/1,025.69
6. Step 6: Final answer
   x = 498.14