Finding the Fourth Proportional to 123,493, 170,420.52 and 66,904.38

Step by Step Solution

1. Step 1: Write the proportion equation
   123,493 : 170,420.52 = 66,904.38 : x
2. Step 2: Convert to fraction form
   123,493/170,420.52 = 66,904.38/x
3. Step 3: Cross multiply
   123,493x = 170,420.52 × 66,904.38
4. Step 4: Simplify right side
   123,493x = 11,401,879,229.88
5. Step 5: Solve for x
   x = 11,401,879,229.88/123,493
6. Step 6: Final answer
   x = 92,328.14