Finding the Fourth Proportional to 79,178,910.78, 109,228,068.30 and 68,710,233.86

Step by Step Solution

1. Step 1: Write the proportion equation
   79,178,910.78 : 109,228,068.30 = 68,710,233.86 : x
2. Step 2: Convert to fraction form
   79,178,910.78/109,228,068.30 = 68,710,233.86/x
3. Step 3: Cross multiply
   79,178,910.78x = 109,228,068.30 × 68,710,233.86
4. Step 4: Simplify right side
   79,178,910.78x = 7,505,086,117,090,181
5. Step 5: Solve for x
   x = 7,505,086,117,090,181/79,178,910.78
6. Step 6: Final answer
   x = 94,786,427.89