Finding the Fourth Proportional to 5,292.53, 7,943.57 and 3,888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,292.53 : 7,943.57 = 3,888.72 : x
2. Step 2: Convert to fraction form
   5,292.53/7,943.57 = 3,888.72/x
3. Step 3: Cross multiply
   5,292.53x = 7,943.57 × 3,888.72
4. Step 4: Simplify right side
   5,292.53x = 30,890,300.09
5. Step 5: Solve for x
   x = 30,890,300.09/5,292.53
6. Step 6: Final answer
   x = 5,836.59