Finding the Fourth Proportional to 1,158.69, 1,737.52 and 336.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.69 : 1,737.52 = 336.77 : x
2. Step 2: Convert to fraction form
   1,158.69/1,737.52 = 336.77/x
3. Step 3: Cross multiply
   1,158.69x = 1,737.52 × 336.77
4. Step 4: Simplify right side
   1,158.69x = 585,144.61
5. Step 5: Solve for x
   x = 585,144.61/1,158.69
6. Step 6: Final answer
   x = 505.01