Finding the Fourth Proportional to 1,908.81, 2,635.20 and 1,162.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.81 : 2,635.20 = 1,162.94 : x
2. Step 2: Convert to fraction form
   1,908.81/2,635.20 = 1,162.94/x
3. Step 3: Cross multiply
   1,908.81x = 2,635.20 × 1,162.94
4. Step 4: Simplify right side
   1,908.81x = 3,064,566.31
5. Step 5: Solve for x
   x = 3,064,566.31/1,908.81
6. Step 6: Final answer
   x = 1,605.49