Finding the Fourth Proportional to 5,281.86, 7,930.98 and 5,048.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,281.86 : 7,930.98 = 5,048.12 : x
2. Step 2: Convert to fraction form
   5,281.86/7,930.98 = 5,048.12/x
3. Step 3: Cross multiply
   5,281.86x = 7,930.98 × 5,048.12
4. Step 4: Simplify right side
   5,281.86x = 40,036,499.10
5. Step 5: Solve for x
   x = 40,036,499.10/5,281.86
6. Step 6: Final answer
   x = 7,580.00