Finding the Fourth Proportional to 79,178,910.42, 109,228,067.78 and 68,710,233.45

Step by Step Solution

1. Step 1: Write the proportion equation
   79,178,910.42 : 109,228,067.78 = 68,710,233.45 : x
2. Step 2: Convert to fraction form
   79,178,910.42/109,228,067.78 = 68,710,233.45/x
3. Step 3: Cross multiply
   79,178,910.42x = 109,228,067.78 × 68,710,233.45
4. Step 4: Simplify right side
   79,178,910.42x = 7,505,086,036,112,673
5. Step 5: Solve for x
   x = 7,505,086,036,112,673/79,178,910.42
6. Step 6: Final answer
   x = 94,786,427.30