Finding the Fourth Proportional to 2,946.30, 4,073.67 and 2,577.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,946.30 : 4,073.67 = 2,577.30 : x
2. Step 2: Convert to fraction form
   2,946.30/4,073.67 = 2,577.30/x
3. Step 3: Cross multiply
   2,946.30x = 4,073.67 × 2,577.30
4. Step 4: Simplify right side
   2,946.30x = 10,499,069.69
5. Step 5: Solve for x
   x = 10,499,069.69/2,946.30
6. Step 6: Final answer
   x = 3,563.48