Finding the Fourth Proportional to 2,090.77, 2,885.13 and 1,146.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.77 : 2,885.13 = 1,146.37 : x
2. Step 2: Convert to fraction form
   2,090.77/2,885.13 = 1,146.37/x
3. Step 3: Cross multiply
   2,090.77x = 2,885.13 × 1,146.37
4. Step 4: Simplify right side
   2,090.77x = 3,307,426.48
5. Step 5: Solve for x
   x = 3,307,426.48/2,090.77
6. Step 6: Final answer
   x = 1,581.92