Finding the Fourth Proportional to 1,162.58, 1,741.64 and 1,123.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.58 : 1,741.64 = 1,123.49 : x
2. Step 2: Convert to fraction form
   1,162.58/1,741.64 = 1,123.49/x
3. Step 3: Cross multiply
   1,162.58x = 1,741.64 × 1,123.49
4. Step 4: Simplify right side
   1,162.58x = 1,956,713.86
5. Step 5: Solve for x
   x = 1,956,713.86/1,162.58
6. Step 6: Final answer
   x = 1,683.09