Finding the Fourth Proportional to 1,061.69, 1,592.33 and 368.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.69 : 1,592.33 = 368.81 : x
2. Step 2: Convert to fraction form
   1,061.69/1,592.33 = 368.81/x
3. Step 3: Cross multiply
   1,061.69x = 1,592.33 × 368.81
4. Step 4: Simplify right side
   1,061.69x = 587,257.42
5. Step 5: Solve for x
   x = 587,257.42/1,061.69
6. Step 6: Final answer
   x = 553.14