Finding the Fourth Proportional to 67,443, 101,132.16 and 31,874.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,443 : 101,132.16 = 31,874.72 : x
2. Step 2: Convert to fraction form
   67,443/101,132.16 = 31,874.72/x
3. Step 3: Cross multiply
   67,443x = 101,132.16 × 31,874.72
4. Step 4: Simplify right side
   67,443x = 3,223,559,283.00
5. Step 5: Solve for x
   x = 3,223,559,283.00/67,443
6. Step 6: Final answer
   x = 47,796.80