Finding the Fourth Proportional to 30,816,644.37, 42,528,306.05 and 17,065,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,816,644.37 : 42,528,306.05 = 17,065,608.50 : x
2. Step 2: Convert to fraction form
   30,816,644.37/42,528,306.05 = 17,065,608.50/x
3. Step 3: Cross multiply
   30,816,644.37x = 42,528,306.05 × 17,065,608.50
4. Step 4: Simplify right side
   30,816,644.37x = 725,771,420,919,511.88
5. Step 5: Solve for x
   x = 725,771,420,919,511.88/30,816,644.37
6. Step 6: Final answer
   x = 23,551,280.02