Finding the Fourth Proportional to 91,665,831.96, 126,831,946.32 and 79,929,573.48

Step by Step Solution

1. Step 1: Write the proportion equation
   91,665,831.96 : 126,831,946.32 = 79,929,573.48 : x
2. Step 2: Convert to fraction form
   91,665,831.96/126,831,946.32 = 79,929,573.48/x
3. Step 3: Cross multiply
   91,665,831.96x = 126,831,946.32 × 79,929,573.48
4. Step 4: Simplify right side
   91,665,831.96x = 10,137,623,372,995,856
5. Step 5: Solve for x
   x = 10,137,623,372,995,856/91,665,831.96
6. Step 6: Final answer
   x = 110,593,262.03