Finding the Fourth Proportional to 2,684.45, 4,026.35 and 736.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684.45 : 4,026.35 = 736.81 : x
2. Step 2: Convert to fraction form
   2,684.45/4,026.35 = 736.81/x
3. Step 3: Cross multiply
   2,684.45x = 4,026.35 × 736.81
4. Step 4: Simplify right side
   2,684.45x = 2,966,646.72
5. Step 5: Solve for x
   x = 2,966,646.72/2,684.45
6. Step 6: Final answer
   x = 1,105.12