Finding the Fourth Proportional to 1,061.14, 1,591.70 and 598.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.14 : 1,591.70 = 598.71 : x
2. Step 2: Convert to fraction form
   1,061.14/1,591.70 = 598.71/x
3. Step 3: Cross multiply
   1,061.14x = 1,591.70 × 598.71
4. Step 4: Simplify right side
   1,061.14x = 952,958.75
5. Step 5: Solve for x
   x = 952,958.75/1,061.14
6. Step 6: Final answer
   x = 898.06