Finding the Fourth Proportional to 2,707.17, 4,061.37 and 975.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.17 : 4,061.37 = 975.80 : x
2. Step 2: Convert to fraction form
   2,707.17/4,061.37 = 975.80/x
3. Step 3: Cross multiply
   2,707.17x = 4,061.37 × 975.80
4. Step 4: Simplify right side
   2,707.17x = 3,963,067.58
5. Step 5: Solve for x
   x = 3,963,067.58/2,707.17
6. Step 6: Final answer
   x = 1,463.91