Finding the Fourth Proportional to 3,916.69, 5,404.86 and 2,238.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,916.69 : 5,404.86 = 2,238.03 : x
2. Step 2: Convert to fraction form
   3,916.69/5,404.86 = 2,238.03/x
3. Step 3: Cross multiply
   3,916.69x = 5,404.86 × 2,238.03
4. Step 4: Simplify right side
   3,916.69x = 12,096,238.83
5. Step 5: Solve for x
   x = 12,096,238.83/3,916.69
6. Step 6: Final answer
   x = 3,088.38