Finding the Fourth Proportional to 2,083.01, 3,122.69 and 783.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.01 : 3,122.69 = 783.56 : x
2. Step 2: Convert to fraction form
   2,083.01/3,122.69 = 783.56/x
3. Step 3: Cross multiply
   2,083.01x = 3,122.69 × 783.56
4. Step 4: Simplify right side
   2,083.01x = 2,446,818.87
5. Step 5: Solve for x
   x = 2,446,818.87/2,083.01
6. Step 6: Final answer
   x = 1,174.66