Finding the Fourth Proportional to 6,422.06, 8,860.24 and 3,903.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422.06 : 8,860.24 = 3,903.37 : x
2. Step 2: Convert to fraction form
   6,422.06/8,860.24 = 3,903.37/x
3. Step 3: Cross multiply
   6,422.06x = 8,860.24 × 3,903.37
4. Step 4: Simplify right side
   6,422.06x = 34,584,795.01
5. Step 5: Solve for x
   x = 34,584,795.01/6,422.06
6. Step 6: Final answer
   x = 5,385.31