Finding the Fourth Proportional to 31,404.72, 43,334.31 and 19,463.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.72 : 43,334.31 = 19,463.70 : x
2. Step 2: Convert to fraction form
   31,404.72/43,334.31 = 19,463.70/x
3. Step 3: Cross multiply
   31,404.72x = 43,334.31 × 19,463.70
4. Step 4: Simplify right side
   31,404.72x = 843,446,009.55
5. Step 5: Solve for x
   x = 843,446,009.55/31,404.72
6. Step 6: Final answer
   x = 26,857.30