Finding the Fourth Proportional to 2,077.96, 3,116.91 and 1,201.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.96 : 3,116.91 = 1,201.78 : x
2. Step 2: Convert to fraction form
   2,077.96/3,116.91 = 1,201.78/x
3. Step 3: Cross multiply
   2,077.96x = 3,116.91 × 1,201.78
4. Step 4: Simplify right side
   2,077.96x = 3,745,834.09
5. Step 5: Solve for x
   x = 3,745,834.09/2,077.96
6. Step 6: Final answer
   x = 1,802.65