Finding the Fourth Proportional to 31,882.42, 47,828.06 and 14,111.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,882.42 : 47,828.06 = 14,111.67 : x
2. Step 2: Convert to fraction form
   31,882.42/47,828.06 = 14,111.67/x
3. Step 3: Cross multiply
   31,882.42x = 47,828.06 × 14,111.67
4. Step 4: Simplify right side
   31,882.42x = 674,933,961.18
5. Step 5: Solve for x
   x = 674,933,961.18/31,882.42
6. Step 6: Final answer
   x = 21,169.47