Finding the Fourth Proportional to 1,061.96, 1,591.99 and 368.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.96 : 1,591.99 = 368.15 : x
2. Step 2: Convert to fraction form
   1,061.96/1,591.99 = 368.15/x
3. Step 3: Cross multiply
   1,061.96x = 1,591.99 × 368.15
4. Step 4: Simplify right side
   1,061.96x = 586,082.24
5. Step 5: Solve for x
   x = 586,082.24/1,061.96
6. Step 6: Final answer
   x = 551.89