Finding the Fourth Proportional to 67,265.72, 92,825.34 and 42,129.08

Step by Step Solution

1. Step 1: Write the proportion equation
   67,265.72 : 92,825.34 = 42,129.08 : x
2. Step 2: Convert to fraction form
   67,265.72/92,825.34 = 42,129.08/x
3. Step 3: Cross multiply
   67,265.72x = 92,825.34 × 42,129.08
4. Step 4: Simplify right side
   67,265.72x = 3,910,646,174.89
5. Step 5: Solve for x
   x = 3,910,646,174.89/67,265.72
6. Step 6: Final answer
   x = 58,137.28