Finding the Fourth Proportional to 7,777.32, 10,731.94 and 5,424.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,777.32 : 10,731.94 = 5,424.52 : x
2. Step 2: Convert to fraction form
   7,777.32/10,731.94 = 5,424.52/x
3. Step 3: Cross multiply
   7,777.32x = 10,731.94 × 5,424.52
4. Step 4: Simplify right side
   7,777.32x = 58,215,623.17
5. Step 5: Solve for x
   x = 58,215,623.17/7,777.32
6. Step 6: Final answer
   x = 7,485.31