Finding the Fourth Proportional to 67,679, 93,439.38 and 43,489.76

Step by Step Solution

1. Step 1: Write the proportion equation
   67,679 : 93,439.38 = 43,489.76 : x
2. Step 2: Convert to fraction form
   67,679/93,439.38 = 43,489.76/x
3. Step 3: Cross multiply
   67,679x = 93,439.38 × 43,489.76
4. Step 4: Simplify right side
   67,679x = 4,063,656,210.75
5. Step 5: Solve for x
   x = 4,063,656,210.75/67,679
6. Step 6: Final answer
   x = 60,043.09