Finding the Fourth Proportional to 7,435.73, 10,259.24 and 5,311.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,435.73 : 10,259.24 = 5,311.91 : x
2. Step 2: Convert to fraction form
   7,435.73/10,259.24 = 5,311.91/x
3. Step 3: Cross multiply
   7,435.73x = 10,259.24 × 5,311.91
4. Step 4: Simplify right side
   7,435.73x = 54,496,081.69
5. Step 5: Solve for x
   x = 54,496,081.69/7,435.73
6. Step 6: Final answer
   x = 7,328.95