Finding the Fourth Proportional to 2,470.03, 3,705.23 and 781.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.03 : 3,705.23 = 781.29 : x
2. Step 2: Convert to fraction form
   2,470.03/3,705.23 = 781.29/x
3. Step 3: Cross multiply
   2,470.03x = 3,705.23 × 781.29
4. Step 4: Simplify right side
   2,470.03x = 2,894,859.15
5. Step 5: Solve for x
   x = 2,894,859.15/2,470.03
6. Step 6: Final answer
   x = 1,171.99