Finding the Fourth Proportional to 2,479.34, 3,718.61 and 723.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.34 : 3,718.61 = 723.93 : x
2. Step 2: Convert to fraction form
   2,479.34/3,718.61 = 723.93/x
3. Step 3: Cross multiply
   2,479.34x = 3,718.61 × 723.93
4. Step 4: Simplify right side
   2,479.34x = 2,692,025.61
5. Step 5: Solve for x
   x = 2,692,025.61/2,479.34
6. Step 6: Final answer
   x = 1,085.78