Finding the Fourth Proportional to 2,123.73, 3,184.14 and 1,081.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.73 : 3,184.14 = 1,081.72 : x
2. Step 2: Convert to fraction form
   2,123.73/3,184.14 = 1,081.72/x
3. Step 3: Cross multiply
   2,123.73x = 3,184.14 × 1,081.72
4. Step 4: Simplify right side
   2,123.73x = 3,444,347.92
5. Step 5: Solve for x
   x = 3,444,347.92/2,123.73
6. Step 6: Final answer
   x = 1,621.84