Finding the Fourth Proportional to 1,534.55, 2,297.16 and 1,123.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,534.55 : 2,297.16 = 1,123.57 : x
2. Step 2: Convert to fraction form
   1,534.55/2,297.16 = 1,123.57/x
3. Step 3: Cross multiply
   1,534.55x = 2,297.16 × 1,123.57
4. Step 4: Simplify right side
   1,534.55x = 2,581,022.93
5. Step 5: Solve for x
   x = 2,581,022.93/1,534.55
6. Step 6: Final answer
   x = 1,681.95