Finding the Fourth Proportional to 2,077.79, 3,117.59 and 908.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.79 : 3,117.59 = 908.04 : x
2. Step 2: Convert to fraction form
   2,077.79/3,117.59 = 908.04/x
3. Step 3: Cross multiply
   2,077.79x = 3,117.59 × 908.04
4. Step 4: Simplify right side
   2,077.79x = 2,830,891.88
5. Step 5: Solve for x
   x = 2,830,891.88/2,077.79
6. Step 6: Final answer
   x = 1,362.46