Finding the Fourth Proportional to 68,109,660.45, 94,044,885.72 and 54,836,675.25

Step by Step Solution

1. Step 1: Write the proportion equation
   68,109,660.45 : 94,044,885.72 = 54,836,675.25 : x
2. Step 2: Convert to fraction form
   68,109,660.45/94,044,885.72 = 54,836,675.25/x
3. Step 3: Cross multiply
   68,109,660.45x = 94,044,885.72 × 54,836,675.25
4. Step 4: Simplify right side
   68,109,660.45x = 5,157,108,857,151,002
5. Step 5: Solve for x
   x = 5,157,108,857,151,002/68,109,660.45
6. Step 6: Final answer
   x = 75,717,729.66