Finding the Fourth Proportional to 7,438.58, 10,264.89 and 4,081.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,438.58 : 10,264.89 = 4,081.31 : x
2. Step 2: Convert to fraction form
   7,438.58/10,264.89 = 4,081.31/x
3. Step 3: Cross multiply
   7,438.58x = 10,264.89 × 4,081.31
4. Step 4: Simplify right side
   7,438.58x = 41,894,146.88
5. Step 5: Solve for x
   x = 41,894,146.88/7,438.58
6. Step 6: Final answer
   x = 5,632.01