Finding the Fourth Proportional to 31,849.32, 47,773.79 and 8,156.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,849.32 : 47,773.79 = 8,156.82 : x
2. Step 2: Convert to fraction form
   31,849.32/47,773.79 = 8,156.82/x
3. Step 3: Cross multiply
   31,849.32x = 47,773.79 × 8,156.82
4. Step 4: Simplify right side
   31,849.32x = 389,681,987.27
5. Step 5: Solve for x
   x = 389,681,987.27/31,849.32
6. Step 6: Final answer
   x = 12,235.18