Finding the Fourth Proportional to 2,693.05, 4,039.27 and 745

Step by Step Solution

1. Step 1: Write the proportion equation
   2,693.05 : 4,039.27 = 745 : x
2. Step 2: Convert to fraction form
   2,693.05/4,039.27 = 745/x
3. Step 3: Cross multiply
   2,693.05x = 4,039.27 × 745
4. Step 4: Simplify right side
   2,693.05x = 3,009,256.15
5. Step 5: Solve for x
   x = 3,009,256.15/2,693.05
6. Step 6: Final answer
   x = 1,117.42