Finding the Fourth Proportional to 5,280.04, 7,279.83 and 3,862.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,280.04 : 7,279.83 = 3,862.59 : x
2. Step 2: Convert to fraction form
   5,280.04/7,279.83 = 3,862.59/x
3. Step 3: Cross multiply
   5,280.04x = 7,279.83 × 3,862.59
4. Step 4: Simplify right side
   5,280.04x = 28,118,998.56
5. Step 5: Solve for x
   x = 28,118,998.56/5,280.04
6. Step 6: Final answer
   x = 5,325.53