Finding the Fourth Proportional to 67,643.37, 101,410.34 and 28,229.99

Step by Step Solution

1. Step 1: Write the proportion equation
   67,643.37 : 101,410.34 = 28,229.99 : x
2. Step 2: Convert to fraction form
   67,643.37/101,410.34 = 28,229.99/x
3. Step 3: Cross multiply
   67,643.37x = 101,410.34 × 28,229.99
4. Step 4: Simplify right side
   67,643.37x = 2,862,812,235.89
5. Step 5: Solve for x
   x = 2,862,812,235.89/67,643.37
6. Step 6: Final answer
   x = 42,322.14