Finding the Fourth Proportional to 2,618.83, 3,929.52 and 1,158.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.83 : 3,929.52 = 1,158.13 : x
2. Step 2: Convert to fraction form
   2,618.83/3,929.52 = 1,158.13/x
3. Step 3: Cross multiply
   2,618.83x = 3,929.52 × 1,158.13
4. Step 4: Simplify right side
   2,618.83x = 4,550,895.00
5. Step 5: Solve for x
   x = 4,550,895.00/2,618.83
6. Step 6: Final answer
   x = 1,737.76