Finding the Fourth Proportional to 2,784.89, 4,177.40 and 1,030.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.89 : 4,177.40 = 1,030.05 : x
2. Step 2: Convert to fraction form
   2,784.89/4,177.40 = 1,030.05/x
3. Step 3: Cross multiply
   2,784.89x = 4,177.40 × 1,030.05
4. Step 4: Simplify right side
   2,784.89x = 4,302,946.24
5. Step 5: Solve for x
   x = 4,302,946.24/2,784.89
6. Step 6: Final answer
   x = 1,545.10