Finding the Fourth Proportional to 2,090.32, 2,881.56 and 1,647.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.32 : 2,881.56 = 1,647.34 : x
2. Step 2: Convert to fraction form
   2,090.32/2,881.56 = 1,647.34/x
3. Step 3: Cross multiply
   2,090.32x = 2,881.56 × 1,647.34
4. Step 4: Simplify right side
   2,090.32x = 4,746,909.05
5. Step 5: Solve for x
   x = 4,746,909.05/2,090.32
6. Step 6: Final answer
   x = 2,270.90