Finding the Fourth Proportional to 1,332.17, 1,838.37 and 742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,332.17 : 1,838.37 = 742.72 : x
2. Step 2: Convert to fraction form
   1,332.17/1,838.37 = 742.72/x
3. Step 3: Cross multiply
   1,332.17x = 1,838.37 × 742.72
4. Step 4: Simplify right side
   1,332.17x = 1,365,394.17
5. Step 5: Solve for x
   x = 1,365,394.17/1,332.17
6. Step 6: Final answer
   x = 1,024.94