Finding the Fourth Proportional to 67,258.74, 92,734.83 and 42,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,258.74 : 92,734.83 = 42,064.50 : x
2. Step 2: Convert to fraction form
   67,258.74/92,734.83 = 42,064.50/x
3. Step 3: Cross multiply
   67,258.74x = 92,734.83 × 42,064.50
4. Step 4: Simplify right side
   67,258.74x = 3,900,844,256.54
5. Step 5: Solve for x
   x = 3,900,844,256.54/67,258.74
6. Step 6: Final answer
   x = 57,997.58