Finding the Fourth Proportional to 1,034.80, 1,428.15 and 592.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.80 : 1,428.15 = 592.72 : x
2. Step 2: Convert to fraction form
   1,034.80/1,428.15 = 592.72/x
3. Step 3: Cross multiply
   1,034.80x = 1,428.15 × 592.72
4. Step 4: Simplify right side
   1,034.80x = 846,493.07
5. Step 5: Solve for x
   x = 846,493.07/1,034.80
6. Step 6: Final answer
   x = 818.03