Finding the Fourth Proportional to 67,864.20, 93,633.68 and 40,629

Step by Step Solution

1. Step 1: Write the proportion equation
   67,864.20 : 93,633.68 = 40,629 : x
2. Step 2: Convert to fraction form
   67,864.20/93,633.68 = 40,629/x
3. Step 3: Cross multiply
   67,864.20x = 93,633.68 × 40,629
4. Step 4: Simplify right side
   67,864.20x = 3,804,242,784.72
5. Step 5: Solve for x
   x = 3,804,242,784.72/67,864.20
6. Step 6: Final answer
   x = 56,056.70