Finding the Fourth Proportional to 5,288.69, 7,933.53 and 1,778.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,288.69 : 7,933.53 = 1,778.72 : x
2. Step 2: Convert to fraction form
   5,288.69/7,933.53 = 1,778.72/x
3. Step 3: Cross multiply
   5,288.69x = 7,933.53 × 1,778.72
4. Step 4: Simplify right side
   5,288.69x = 14,111,548.32
5. Step 5: Solve for x
   x = 14,111,548.32/5,288.69
6. Step 6: Final answer
   x = 2,668.25