Finding the Fourth Proportional to 109,642.89, 151,310.82 and 67,193.22

Step by Step Solution

1. Step 1: Write the proportion equation
   109,642.89 : 151,310.82 = 67,193.22 : x
2. Step 2: Convert to fraction form
   109,642.89/151,310.82 = 67,193.22/x
3. Step 3: Cross multiply
   109,642.89x = 151,310.82 × 67,193.22
4. Step 4: Simplify right side
   109,642.89x = 10,167,061,216.64
5. Step 5: Solve for x
   x = 10,167,061,216.64/109,642.89
6. Step 6: Final answer
   x = 92,728.87