Finding the Fourth Proportional to 2,088.74, 3,132.88 and 1,266.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.74 : 3,132.88 = 1,266.78 : x
2. Step 2: Convert to fraction form
   2,088.74/3,132.88 = 1,266.78/x
3. Step 3: Cross multiply
   2,088.74x = 3,132.88 × 1,266.78
4. Step 4: Simplify right side
   2,088.74x = 3,968,669.73
5. Step 5: Solve for x
   x = 3,968,669.73/2,088.74
6. Step 6: Final answer
   x = 1,900.03