Finding the Fourth Proportional to 1,038.27, 1,557.15 and 598.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038.27 : 1,557.15 = 598.59 : x
2. Step 2: Convert to fraction form
   1,038.27/1,557.15 = 598.59/x
3. Step 3: Cross multiply
   1,038.27x = 1,557.15 × 598.59
4. Step 4: Simplify right side
   1,038.27x = 932,094.42
5. Step 5: Solve for x
   x = 932,094.42/1,038.27
6. Step 6: Final answer
   x = 897.74