Finding the Fourth Proportional to 2,061.81, 3,093.53 and 906.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.81 : 3,093.53 = 906.75 : x
2. Step 2: Convert to fraction form
   2,061.81/3,093.53 = 906.75/x
3. Step 3: Cross multiply
   2,061.81x = 3,093.53 × 906.75
4. Step 4: Simplify right side
   2,061.81x = 2,805,053.79
5. Step 5: Solve for x
   x = 2,805,053.79/2,061.81
6. Step 6: Final answer
   x = 1,360.48