Finding the Fourth Proportional to 1,032.52, 1,425.54 and 921.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032.52 : 1,425.54 = 921.81 : x
2. Step 2: Convert to fraction form
   1,032.52/1,425.54 = 921.81/x
3. Step 3: Cross multiply
   1,032.52x = 1,425.54 × 921.81
4. Step 4: Simplify right side
   1,032.52x = 1,314,077.03
5. Step 5: Solve for x
   x = 1,314,077.03/1,032.52
6. Step 6: Final answer
   x = 1,272.69