Finding the Fourth Proportional to 1,061.55, 1,592.49 and 368.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.55 : 1,592.49 = 368.63 : x
2. Step 2: Convert to fraction form
   1,061.55/1,592.49 = 368.63/x
3. Step 3: Cross multiply
   1,061.55x = 1,592.49 × 368.63
4. Step 4: Simplify right side
   1,061.55x = 587,039.93
5. Step 5: Solve for x
   x = 587,039.93/1,061.55
6. Step 6: Final answer
   x = 553.00