Finding the Fourth Proportional to 67,928.54, 101,878.22 and 42,615.86

Step by Step Solution

1. Step 1: Write the proportion equation
   67,928.54 : 101,878.22 = 42,615.86 : x
2. Step 2: Convert to fraction form
   67,928.54/101,878.22 = 42,615.86/x
3. Step 3: Cross multiply
   67,928.54x = 101,878.22 × 42,615.86
4. Step 4: Simplify right side
   67,928.54x = 4,341,627,960.57
5. Step 5: Solve for x
   x = 4,341,627,960.57/67,928.54
6. Step 6: Final answer
   x = 63,914.64