Finding the Fourth Proportional to 2,090.81, 2,885.24 and 1,251.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.81 : 2,885.24 = 1,251.02 : x
2. Step 2: Convert to fraction form
   2,090.81/2,885.24 = 1,251.02/x
3. Step 3: Cross multiply
   2,090.81x = 2,885.24 × 1,251.02
4. Step 4: Simplify right side
   2,090.81x = 3,609,503.29
5. Step 5: Solve for x
   x = 3,609,503.29/2,090.81
6. Step 6: Final answer
   x = 1,726.36