Finding the Fourth Proportional to 7,780.52, 10,737.25 and 4,243.73

Step by Step Solution

1. Step 1: Write the proportion equation
   7,780.52 : 10,737.25 = 4,243.73 : x
2. Step 2: Convert to fraction form
   7,780.52/10,737.25 = 4,243.73/x
3. Step 3: Cross multiply
   7,780.52x = 10,737.25 × 4,243.73
4. Step 4: Simplify right side
   7,780.52x = 45,565,968.72
5. Step 5: Solve for x
   x = 45,565,968.72/7,780.52
6. Step 6: Final answer
   x = 5,856.42