Finding the Fourth Proportional to 2,089.31, 2,883.25 and 1,157.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.31 : 2,883.25 = 1,157.81 : x
2. Step 2: Convert to fraction form
   2,089.31/2,883.25 = 1,157.81/x
3. Step 3: Cross multiply
   2,089.31x = 2,883.25 × 1,157.81
4. Step 4: Simplify right side
   2,089.31x = 3,338,264.34
5. Step 5: Solve for x
   x = 3,338,264.34/2,089.31
6. Step 6: Final answer
   x = 1,597.78