Finding the Fourth Proportional to 109,642.14, 151,309.79 and 67,192.47

Step by Step Solution

1. Step 1: Write the proportion equation
   109,642.14 : 151,309.79 = 67,192.47 : x
2. Step 2: Convert to fraction form
   109,642.14/151,309.79 = 67,192.47/x
3. Step 3: Cross multiply
   109,642.14x = 151,309.79 × 67,192.47
4. Step 4: Simplify right side
   109,642.14x = 10,166,878,189.32
5. Step 5: Solve for x
   x = 10,166,878,189.32/109,642.14
6. Step 6: Final answer
   x = 92,727.83