Finding the Fourth Proportional to 109,646.38, 151,315.66 and 67,196.70

Step by Step Solution

1. Step 1: Write the proportion equation
   109,646.38 : 151,315.66 = 67,196.70 : x
2. Step 2: Convert to fraction form
   109,646.38/151,315.66 = 67,196.70/x
3. Step 3: Cross multiply
   109,646.38x = 151,315.66 × 67,196.70
4. Step 4: Simplify right side
   109,646.38x = 10,167,913,010.32
5. Step 5: Solve for x
   x = 10,167,913,010.32/109,646.38
6. Step 6: Final answer
   x = 92,733.69