Finding the Fourth Proportional to 12,098,426.67, 18,147,623.43 and 5,617,958.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,098,426.67 : 18,147,623.43 = 5,617,958.28 : x
2. Step 2: Convert to fraction form
   12,098,426.67/18,147,623.43 = 5,617,958.28/x
3. Step 3: Cross multiply
   12,098,426.67x = 18,147,623.43 × 5,617,958.28
4. Step 4: Simplify right side
   12,098,426.67x = 101,952,591,310,890.50
5. Step 5: Solve for x
   x = 101,952,591,310,890.50/12,098,426.67
6. Step 6: Final answer
   x = 8,426,929.72