Finding the Fourth Proportional to 2,082.96, 3,123.48 and 783.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.96 : 3,123.48 = 783.51 : x
2. Step 2: Convert to fraction form
   2,082.96/3,123.48 = 783.51/x
3. Step 3: Cross multiply
   2,082.96x = 3,123.48 × 783.51
4. Step 4: Simplify right side
   2,082.96x = 2,447,277.81
5. Step 5: Solve for x
   x = 2,447,277.81/2,082.96
6. Step 6: Final answer
   x = 1,174.90