Finding the Fourth Proportional to 2,088.42, 2,881.04 and 1,248.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.42 : 2,881.04 = 1,248.71 : x
2. Step 2: Convert to fraction form
   2,088.42/2,881.04 = 1,248.71/x
3. Step 3: Cross multiply
   2,088.42x = 2,881.04 × 1,248.71
4. Step 4: Simplify right side
   2,088.42x = 3,597,562.81
5. Step 5: Solve for x
   x = 3,597,562.81/2,088.42
6. Step 6: Final answer
   x = 1,722.62