Finding the Fourth Proportional to 4,754.84, 7,123.72 and 2,806

Step by Step Solution

1. Step 1: Write the proportion equation
   4,754.84 : 7,123.72 = 2,806 : x
2. Step 2: Convert to fraction form
   4,754.84/7,123.72 = 2,806/x
3. Step 3: Cross multiply
   4,754.84x = 7,123.72 × 2,806
4. Step 4: Simplify right side
   4,754.84x = 19,989,158.32
5. Step 5: Solve for x
   x = 19,989,158.32/4,754.84
6. Step 6: Final answer
   x = 4,203.96