Finding the Fourth Proportional to 1,943.46, 2,681.98 and 1,157.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943.46 : 2,681.98 = 1,157.53 : x
2. Step 2: Convert to fraction form
   1,943.46/2,681.98 = 1,157.53/x
3. Step 3: Cross multiply
   1,943.46x = 2,681.98 × 1,157.53
4. Step 4: Simplify right side
   1,943.46x = 3,104,472.31
5. Step 5: Solve for x
   x = 3,104,472.31/1,943.46
6. Step 6: Final answer
   x = 1,597.39