Finding the Fourth Proportional to 7,764.72, 10,715.34 and 4,227.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,764.72 : 10,715.34 = 4,227.93 : x
2. Step 2: Convert to fraction form
   7,764.72/10,715.34 = 4,227.93/x
3. Step 3: Cross multiply
   7,764.72x = 10,715.34 × 4,227.93
4. Step 4: Simplify right side
   7,764.72x = 45,303,707.45
5. Step 5: Solve for x
   x = 45,303,707.45/7,764.72
6. Step 6: Final answer
   x = 5,834.56