Finding the Fourth Proportional to 5,875.20, 8,105.54 and 3,750.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,875.20 : 8,105.54 = 3,750.81 : x
2. Step 2: Convert to fraction form
   5,875.20/8,105.54 = 3,750.81/x
3. Step 3: Cross multiply
   5,875.20x = 8,105.54 × 3,750.81
4. Step 4: Simplify right side
   5,875.20x = 30,402,340.49
5. Step 5: Solve for x
   x = 30,402,340.49/5,875.20
6. Step 6: Final answer
   x = 5,174.69