Finding the Fourth Proportional to 123,940.64, 171,041.34 and 67,352.01

Step by Step Solution

1. Step 1: Write the proportion equation
   123,940.64 : 171,041.34 = 67,352.01 : x
2. Step 2: Convert to fraction form
   123,940.64/171,041.34 = 67,352.01/x
3. Step 3: Cross multiply
   123,940.64x = 171,041.34 × 67,352.01
4. Step 4: Simplify right side
   123,940.64x = 11,519,978,042.09
5. Step 5: Solve for x
   x = 11,519,978,042.09/123,940.64
6. Step 6: Final answer
   x = 92,947.55