Finding the Fourth Proportional to 123,837.96, 170,891.82 and 67,248.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,837.96 : 170,891.82 = 67,248.12 : x
2. Step 2: Convert to fraction form
   123,837.96/170,891.82 = 67,248.12/x
3. Step 3: Cross multiply
   123,837.96x = 170,891.82 × 67,248.12
4. Step 4: Simplify right side
   123,837.96x = 11,492,153,618.38
5. Step 5: Solve for x
   x = 11,492,153,618.38/123,837.96
6. Step 6: Final answer
   x = 92,799.93