Finding the Fourth Proportional to 1,123.74, 1,549.84 and 943.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.74 : 1,549.84 = 943.59 : x
2. Step 2: Convert to fraction form
   1,123.74/1,549.84 = 943.59/x
3. Step 3: Cross multiply
   1,123.74x = 1,549.84 × 943.59
4. Step 4: Simplify right side
   1,123.74x = 1,462,401.06
5. Step 5: Solve for x
   x = 1,462,401.06/1,123.74
6. Step 6: Final answer
   x = 1,301.38