Finding the Fourth Proportional to 7,438.86, 10,265.91 and 4,081.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,438.86 : 10,265.91 = 4,081.81 : x
2. Step 2: Convert to fraction form
   7,438.86/10,265.91 = 4,081.81/x
3. Step 3: Cross multiply
   7,438.86x = 10,265.91 × 4,081.81
4. Step 4: Simplify right side
   7,438.86x = 41,903,494.10
5. Step 5: Solve for x
   x = 41,903,494.10/7,438.86
6. Step 6: Final answer
   x = 5,633.05