Finding the Fourth Proportional to 7,784.52, 10,742.61 and 4,247.73

Step by Step Solution

1. Step 1: Write the proportion equation
   7,784.52 : 10,742.61 = 4,247.73 : x
2. Step 2: Convert to fraction form
   7,784.52/10,742.61 = 4,247.73/x
3. Step 3: Cross multiply
   7,784.52x = 10,742.61 × 4,247.73
4. Step 4: Simplify right side
   7,784.52x = 45,631,706.78
5. Step 5: Solve for x
   x = 45,631,706.78/7,784.52
6. Step 6: Final answer
   x = 5,861.85