Finding the Fourth Proportional to 31,436.22, 47,153.73 and 12,716.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,436.22 : 47,153.73 = 12,716.04 : x
2. Step 2: Convert to fraction form
   31,436.22/47,153.73 = 12,716.04/x
3. Step 3: Cross multiply
   31,436.22x = 47,153.73 × 12,716.04
4. Step 4: Simplify right side
   31,436.22x = 599,608,716.83
5. Step 5: Solve for x
   x = 599,608,716.83/31,436.22
6. Step 6: Final answer
   x = 19,073.82