Finding the Fourth Proportional to 67,858.24, 101,643.72 and 42,885.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,858.24 : 101,643.72 = 42,885.52 : x
2. Step 2: Convert to fraction form
   67,858.24/101,643.72 = 42,885.52/x
3. Step 3: Cross multiply
   67,858.24x = 101,643.72 × 42,885.52
4. Step 4: Simplify right side
   67,858.24x = 4,359,043,786.93
5. Step 5: Solve for x
   x = 4,359,043,786.93/67,858.24
6. Step 6: Final answer
   x = 64,237.50