Finding the Fourth Proportional to 3,688.91, 5,088.89 and 2,196.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688.91 : 5,088.89 = 2,196.27 : x
2. Step 2: Convert to fraction form
   3,688.91/5,088.89 = 2,196.27/x
3. Step 3: Cross multiply
   3,688.91x = 5,088.89 × 2,196.27
4. Step 4: Simplify right side
   3,688.91x = 11,176,565.46
5. Step 5: Solve for x
   x = 11,176,565.46/3,688.91
6. Step 6: Final answer
   x = 3,029.78