Finding the Fourth Proportional to 2,123.66, 3,184.71 and 736.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.66 : 3,184.71 = 736.64 : x
2. Step 2: Convert to fraction form
   2,123.66/3,184.71 = 736.64/x
3. Step 3: Cross multiply
   2,123.66x = 3,184.71 × 736.64
4. Step 4: Simplify right side
   2,123.66x = 2,345,984.77
5. Step 5: Solve for x
   x = 2,345,984.77/2,123.66
6. Step 6: Final answer
   x = 1,104.69