Finding the Fourth Proportional to 31,404.29, 47,111.21 and 19,548.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.29 : 47,111.21 = 19,548.47 : x
2. Step 2: Convert to fraction form
   31,404.29/47,111.21 = 19,548.47/x
3. Step 3: Cross multiply
   31,404.29x = 47,111.21 × 19,548.47
4. Step 4: Simplify right side
   31,404.29x = 920,951,815.36
5. Step 5: Solve for x
   x = 920,951,815.36/31,404.29
6. Step 6: Final answer
   x = 29,325.67