Finding the Fourth Proportional to 5,422.07, 8,123.49 and 3,775.41

Step by Step Solution

1. Step 1: Write the proportion equation
   5,422.07 : 8,123.49 = 3,775.41 : x
2. Step 2: Convert to fraction form
   5,422.07/8,123.49 = 3,775.41/x
3. Step 3: Cross multiply
   5,422.07x = 8,123.49 × 3,775.41
4. Step 4: Simplify right side
   5,422.07x = 30,669,505.38
5. Step 5: Solve for x
   x = 30,669,505.38/5,422.07
6. Step 6: Final answer
   x = 5,656.42