Finding the Fourth Proportional to 47,171.98, 65,124.30 and 31,278.03

Step by Step Solution

1. Step 1: Write the proportion equation
   47,171.98 : 65,124.30 = 31,278.03 : x
2. Step 2: Convert to fraction form
   47,171.98/65,124.30 = 31,278.03/x
3. Step 3: Cross multiply
   47,171.98x = 65,124.30 × 31,278.03
4. Step 4: Simplify right side
   47,171.98x = 2,036,959,809.13
5. Step 5: Solve for x
   x = 2,036,959,809.13/47,171.98
6. Step 6: Final answer
   x = 43,181.56