Finding the Fourth Proportional to 47,429.32, 71,147.56 and 14,146.76

Step by Step Solution

1. Step 1: Write the proportion equation
   47,429.32 : 71,147.56 = 14,146.76 : x
2. Step 2: Convert to fraction form
   47,429.32/71,147.56 = 14,146.76/x
3. Step 3: Cross multiply
   47,429.32x = 71,147.56 × 14,146.76
4. Step 4: Simplify right side
   47,429.32x = 1,006,507,455.91
5. Step 5: Solve for x
   x = 1,006,507,455.91/47,429.32
6. Step 6: Final answer
   x = 21,221.21