Finding the Fourth Proportional to 31,377.69, 47,052.72 and 14,742.45

Step by Step Solution

1. Step 1: Write the proportion equation
   31,377.69 : 47,052.72 = 14,742.45 : x
2. Step 2: Convert to fraction form
   31,377.69/47,052.72 = 14,742.45/x
3. Step 3: Cross multiply
   31,377.69x = 47,052.72 × 14,742.45
4. Step 4: Simplify right side
   31,377.69x = 693,672,371.96
5. Step 5: Solve for x
   x = 693,672,371.96/31,377.69
6. Step 6: Final answer
   x = 22,107.18