Finding the Fourth Proportional to 2,710.22, 3,738.89 and 2,122.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.22 : 3,738.89 = 2,122.43 : x
2. Step 2: Convert to fraction form
   2,710.22/3,738.89 = 2,122.43/x
3. Step 3: Cross multiply
   2,710.22x = 3,738.89 × 2,122.43
4. Step 4: Simplify right side
   2,710.22x = 7,935,518.91
5. Step 5: Solve for x
   x = 7,935,518.91/2,710.22
6. Step 6: Final answer
   x = 2,928.00