Finding the Fourth Proportional to 7,258.83, 10,879.35 and 5,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,258.83 : 10,879.35 = 5,167.50 : x
2. Step 2: Convert to fraction form
   7,258.83/10,879.35 = 5,167.50/x
3. Step 3: Cross multiply
   7,258.83x = 10,879.35 × 5,167.50
4. Step 4: Simplify right side
   7,258.83x = 56,219,041.13
5. Step 5: Solve for x
   x = 56,219,041.13/7,258.83
6. Step 6: Final answer
   x = 7,744.92