Finding the Fourth Proportional to 2,933.62, 4,048.78 and 1,888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.62 : 4,048.78 = 1,888.72 : x
2. Step 2: Convert to fraction form
   2,933.62/4,048.78 = 1,888.72/x
3. Step 3: Cross multiply
   2,933.62x = 4,048.78 × 1,888.72
4. Step 4: Simplify right side
   2,933.62x = 7,647,011.76
5. Step 5: Solve for x
   x = 7,647,011.76/2,933.62
6. Step 6: Final answer
   x = 2,606.68