Finding the Fourth Proportional to 2,621.83, 3,932.13 and 1,160.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.83 : 3,932.13 = 1,160.18 : x
2. Step 2: Convert to fraction form
   2,621.83/3,932.13 = 1,160.18/x
3. Step 3: Cross multiply
   2,621.83x = 3,932.13 × 1,160.18
4. Step 4: Simplify right side
   2,621.83x = 4,561,978.58
5. Step 5: Solve for x
   x = 4,561,978.58/2,621.83
6. Step 6: Final answer
   x = 1,740.00