Finding the Fourth Proportional to 45,049.16, 67,568.94 and 13,881

Step by Step Solution

1. Step 1: Write the proportion equation
   45,049.16 : 67,568.94 = 13,881 : x
2. Step 2: Convert to fraction form
   45,049.16/67,568.94 = 13,881/x
3. Step 3: Cross multiply
   45,049.16x = 67,568.94 × 13,881
4. Step 4: Simplify right side
   45,049.16x = 937,924,456.14
5. Step 5: Solve for x
   x = 937,924,456.14/45,049.16
6. Step 6: Final answer
   x = 20,820.02