Finding the Fourth Proportional to 5,279.94, 7,920.27 and 1,582.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,279.94 : 7,920.27 = 1,582.02 : x
2. Step 2: Convert to fraction form
   5,279.94/7,920.27 = 1,582.02/x
3. Step 3: Cross multiply
   5,279.94x = 7,920.27 × 1,582.02
4. Step 4: Simplify right side
   5,279.94x = 12,530,025.55
5. Step 5: Solve for x
   x = 12,530,025.55/5,279.94
6. Step 6: Final answer
   x = 2,373.14