Finding the Fourth Proportional to 1,034.72, 1,427.58 and 592.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.72 : 1,427.58 = 592.31 : x
2. Step 2: Convert to fraction form
   1,034.72/1,427.58 = 592.31/x
3. Step 3: Cross multiply
   1,034.72x = 1,427.58 × 592.31
4. Step 4: Simplify right side
   1,034.72x = 845,569.91
5. Step 5: Solve for x
   x = 845,569.91/1,034.72
6. Step 6: Final answer
   x = 817.20