Finding the Fourth Proportional to 79,043.12, 109,016.52 and 67,145.84

Step by Step Solution

1. Step 1: Write the proportion equation
   79,043.12 : 109,016.52 = 67,145.84 : x
2. Step 2: Convert to fraction form
   79,043.12/109,016.52 = 67,145.84/x
3. Step 3: Cross multiply
   79,043.12x = 109,016.52 × 67,145.84
4. Step 4: Simplify right side
   79,043.12x = 7,320,005,809.28
5. Step 5: Solve for x
   x = 7,320,005,809.28/79,043.12
6. Step 6: Final answer
   x = 92,607.75