Finding the Fourth Proportional to 67,874.43, 101,851.34 and 28,428.24

Step by Step Solution

1. Step 1: Write the proportion equation
   67,874.43 : 101,851.34 = 28,428.24 : x
2. Step 2: Convert to fraction form
   67,874.43/101,851.34 = 28,428.24/x
3. Step 3: Cross multiply
   67,874.43x = 101,851.34 × 28,428.24
4. Step 4: Simplify right side
   67,874.43x = 2,895,454,337.84
5. Step 5: Solve for x
   x = 2,895,454,337.84/67,874.43
6. Step 6: Final answer
   x = 42,658.99