Finding the Fourth Proportional to 1,061.90, 1,590.79 and 598.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.90 : 1,590.79 = 598.27 : x
2. Step 2: Convert to fraction form
   1,061.90/1,590.79 = 598.27/x
3. Step 3: Cross multiply
   1,061.90x = 1,590.79 × 598.27
4. Step 4: Simplify right side
   1,061.90x = 951,721.93
5. Step 5: Solve for x
   x = 951,721.93/1,061.90
6. Step 6: Final answer
   x = 896.24