Finding the Fourth Proportional to 7,124.46, 10,689.12 and 3,837.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,124.46 : 10,689.12 = 3,837.89 : x
2. Step 2: Convert to fraction form
   7,124.46/10,689.12 = 3,837.89/x
3. Step 3: Cross multiply
   7,124.46x = 10,689.12 × 3,837.89
4. Step 4: Simplify right side
   7,124.46x = 41,023,666.76
5. Step 5: Solve for x
   x = 41,023,666.76/7,124.46
6. Step 6: Final answer
   x = 5,758.14