Finding the Fourth Proportional to 2,090.94, 2,885.47 and 1,146.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.94 : 2,885.47 = 1,146.70 : x
2. Step 2: Convert to fraction form
   2,090.94/2,885.47 = 1,146.70/x
3. Step 3: Cross multiply
   2,090.94x = 2,885.47 × 1,146.70
4. Step 4: Simplify right side
   2,090.94x = 3,308,768.45
5. Step 5: Solve for x
   x = 3,308,768.45/2,090.94
6. Step 6: Final answer
   x = 1,582.43