Finding the Fourth Proportional to 31,354.82, 47,032.05 and 7,662.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,354.82 : 47,032.05 = 7,662.49 : x
2. Step 2: Convert to fraction form
   31,354.82/47,032.05 = 7,662.49/x
3. Step 3: Cross multiply
   31,354.82x = 47,032.05 × 7,662.49
4. Step 4: Simplify right side
   31,354.82x = 360,382,523.96
5. Step 5: Solve for x
   x = 360,382,523.96/31,354.82
6. Step 6: Final answer
   x = 11,493.69