Finding the Fourth Proportional to 2,783.34, 4,177.12 and 1,030

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.34 : 4,177.12 = 1,030 : x
2. Step 2: Convert to fraction form
   2,783.34/4,177.12 = 1,030/x
3. Step 3: Cross multiply
   2,783.34x = 4,177.12 × 1,030
4. Step 4: Simplify right side
   2,783.34x = 4,302,433.60
5. Step 5: Solve for x
   x = 4,302,433.60/2,783.34
6. Step 6: Final answer
   x = 1,545.78