Finding the Fourth Proportional to 2,168.01, 3,250.03 and 781.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.01 : 3,250.03 = 781.03 : x
2. Step 2: Convert to fraction form
   2,168.01/3,250.03 = 781.03/x
3. Step 3: Cross multiply
   2,168.01x = 3,250.03 × 781.03
4. Step 4: Simplify right side
   2,168.01x = 2,538,370.93
5. Step 5: Solve for x
   x = 2,538,370.93/2,168.01
6. Step 6: Final answer
   x = 1,170.83