Finding the Fourth Proportional to 2,781.01, 3,832.50 and 1,993.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.01 : 3,832.50 = 1,993.69 : x
2. Step 2: Convert to fraction form
   2,781.01/3,832.50 = 1,993.69/x
3. Step 3: Cross multiply
   2,781.01x = 3,832.50 × 1,993.69
4. Step 4: Simplify right side
   2,781.01x = 7,640,816.93
5. Step 5: Solve for x
   x = 7,640,816.93/2,781.01
6. Step 6: Final answer
   x = 2,747.50