Finding the Fourth Proportional to 2,939.30, 4,384.28 and 2,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.30 : 4,384.28 = 2,700.50 : x
2. Step 2: Convert to fraction form
   2,939.30/4,384.28 = 2,700.50/x
3. Step 3: Cross multiply
   2,939.30x = 4,384.28 × 2,700.50
4. Step 4: Simplify right side
   2,939.30x = 11,839,748.14
5. Step 5: Solve for x
   x = 11,839,748.14/2,939.30
6. Step 6: Final answer
   x = 4,028.08