Finding the Fourth Proportional to 3,314.72, 4,973.01 and 1,123.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,314.72 : 4,973.01 = 1,123.61 : x
2. Step 2: Convert to fraction form
   3,314.72/4,973.01 = 1,123.61/x
3. Step 3: Cross multiply
   3,314.72x = 4,973.01 × 1,123.61
4. Step 4: Simplify right side
   3,314.72x = 5,587,718.15
5. Step 5: Solve for x
   x = 5,587,718.15/3,314.72
6. Step 6: Final answer
   x = 1,685.73