Finding the Fourth Proportional to 4,762.05, 7,144.29 and 1,839.57

Step by Step Solution

1. Step 1: Write the proportion equation
   4,762.05 : 7,144.29 = 1,839.57 : x
2. Step 2: Convert to fraction form
   4,762.05/7,144.29 = 1,839.57/x
3. Step 3: Cross multiply
   4,762.05x = 7,144.29 × 1,839.57
4. Step 4: Simplify right side
   4,762.05x = 13,142,421.56
5. Step 5: Solve for x
   x = 13,142,421.56/4,762.05
6. Step 6: Final answer
   x = 2,759.82