Finding the Fourth Proportional to 92,267, 138,410.22 and 42,338.60

Step by Step Solution

1. Step 1: Write the proportion equation
   92,267 : 138,410.22 = 42,338.60 : x
2. Step 2: Convert to fraction form
   92,267/138,410.22 = 42,338.60/x
3. Step 3: Cross multiply
   92,267x = 138,410.22 × 42,338.60
4. Step 4: Simplify right side
   92,267x = 5,860,094,940.49
5. Step 5: Solve for x
   x = 5,860,094,940.49/92,267
6. Step 6: Final answer
   x = 63,512.36