Finding the Fourth Proportional to 2,648.57, 3,653.34 and 2,088.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.57 : 3,653.34 = 2,088.86 : x
2. Step 2: Convert to fraction form
   2,648.57/3,653.34 = 2,088.86/x
3. Step 3: Cross multiply
   2,648.57x = 3,653.34 × 2,088.86
4. Step 4: Simplify right side
   2,648.57x = 7,631,315.79
5. Step 5: Solve for x
   x = 7,631,315.79/2,648.57
6. Step 6: Final answer
   x = 2,881.30