Finding the Fourth Proportional to 7,764.52, 10,715.06 and 4,227.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,764.52 : 10,715.06 = 4,227.76 : x
2. Step 2: Convert to fraction form
   7,764.52/10,715.06 = 4,227.76/x
3. Step 3: Cross multiply
   7,764.52x = 10,715.06 × 4,227.76
4. Step 4: Simplify right side
   7,764.52x = 45,300,702.07
5. Step 5: Solve for x
   x = 45,300,702.07/7,764.52
6. Step 6: Final answer
   x = 5,834.32