Finding the Fourth Proportional to 2,754.34, 3,802.47 and 2,123.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,754.34 : 3,802.47 = 2,123.49 : x
2. Step 2: Convert to fraction form
   2,754.34/3,802.47 = 2,123.49/x
3. Step 3: Cross multiply
   2,754.34x = 3,802.47 × 2,123.49
4. Step 4: Simplify right side
   2,754.34x = 8,074,507.02
5. Step 5: Solve for x
   x = 8,074,507.02/2,754.34
6. Step 6: Final answer
   x = 2,931.56