Finding the Fourth Proportional to 1,943.10, 2,680.43 and 1,157.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943.10 : 2,680.43 = 1,157.00 : x
2. Step 2: Convert to fraction form
   1,943.10/2,680.43 = 1,157.00/x
3. Step 3: Cross multiply
   1,943.10x = 2,680.43 × 1,157.00
4. Step 4: Simplify right side
   1,943.10x = 3,101,238.32
5. Step 5: Solve for x
   x = 3,101,238.32/1,943.10
6. Step 6: Final answer
   x = 1,596.03