Finding the Fourth Proportional to 7,767.52, 10,721.52 and 5,284.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,767.52 : 10,721.52 = 5,284.96 : x
2. Step 2: Convert to fraction form
   7,767.52/10,721.52 = 5,284.96/x
3. Step 3: Cross multiply
   7,767.52x = 10,721.52 × 5,284.96
4. Step 4: Simplify right side
   7,767.52x = 56,662,804.34
5. Step 5: Solve for x
   x = 56,662,804.34/7,767.52
6. Step 6: Final answer
   x = 7,294.84