Finding the Fourth Proportional to 2,123.71, 3,184.53 and 736.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.71 : 3,184.53 = 736.55 : x
2. Step 2: Convert to fraction form
   2,123.71/3,184.53 = 736.55/x
3. Step 3: Cross multiply
   2,123.71x = 3,184.53 × 736.55
4. Step 4: Simplify right side
   2,123.71x = 2,345,565.57
5. Step 5: Solve for x
   x = 2,345,565.57/2,123.71
6. Step 6: Final answer
   x = 1,104.47