Finding the Fourth Proportional to 5,279.59, 7,283.55 and 3,182.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,279.59 : 7,283.55 = 3,182.50 : x
2. Step 2: Convert to fraction form
   5,279.59/7,283.55 = 3,182.50/x
3. Step 3: Cross multiply
   5,279.59x = 7,283.55 × 3,182.50
4. Step 4: Simplify right side
   5,279.59x = 23,179,897.88
5. Step 5: Solve for x
   x = 23,179,897.88/5,279.59
6. Step 6: Final answer
   x = 4,390.47