Finding the Fourth Proportional to 2,090.70, 2,886.22 and 1,617.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.70 : 2,886.22 = 1,617.52 : x
2. Step 2: Convert to fraction form
   2,090.70/2,886.22 = 1,617.52/x
3. Step 3: Cross multiply
   2,090.70x = 2,886.22 × 1,617.52
4. Step 4: Simplify right side
   2,090.70x = 4,668,510.49
5. Step 5: Solve for x
   x = 4,668,510.49/2,090.70
6. Step 6: Final answer
   x = 2,232.99