Finding the Fourth Proportional to 47,172.33, 65,124.69 and 31,278.27

Step by Step Solution

1. Step 1: Write the proportion equation
   47,172.33 : 65,124.69 = 31,278.27 : x
2. Step 2: Convert to fraction form
   47,172.33/65,124.69 = 31,278.27/x
3. Step 3: Cross multiply
   47,172.33x = 65,124.69 × 31,278.27
4. Step 4: Simplify right side
   47,172.33x = 2,036,987,637.49
5. Step 5: Solve for x
   x = 2,036,987,637.49/47,172.33
6. Step 6: Final answer
   x = 43,181.83