Finding the Fourth Proportional to 5,872.46, 8,106.60 and 3,750.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,872.46 : 8,106.60 = 3,750.78 : x
2. Step 2: Convert to fraction form
   5,872.46/8,106.60 = 3,750.78/x
3. Step 3: Cross multiply
   5,872.46x = 8,106.60 × 3,750.78
4. Step 4: Simplify right side
   5,872.46x = 30,406,073.15
5. Step 5: Solve for x
   x = 30,406,073.15/5,872.46
6. Step 6: Final answer
   x = 5,177.74