Finding the Fourth Proportional to 2,748.72, 3,798.24 and 2,084.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.72 : 3,798.24 = 2,084.40 : x
2. Step 2: Convert to fraction form
   2,748.72/3,798.24 = 2,084.40/x
3. Step 3: Cross multiply
   2,748.72x = 3,798.24 × 2,084.40
4. Step 4: Simplify right side
   2,748.72x = 7,917,051.46
5. Step 5: Solve for x
   x = 7,917,051.46/2,748.72
6. Step 6: Final answer
   x = 2,880.27