Finding the Fourth Proportional to 10,971,978.05, 16,458,021.75 and 4,498,589.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,971,978.05 : 16,458,021.75 = 4,498,589.27 : x
2. Step 2: Convert to fraction form
   10,971,978.05/16,458,021.75 = 4,498,589.27/x
3. Step 3: Cross multiply
   10,971,978.05x = 16,458,021.75 × 4,498,589.27
4. Step 4: Simplify right side
   10,971,978.05x = 74,037,880,049,976.61
5. Step 5: Solve for x
   x = 74,037,880,049,976.61/10,971,978.05
6. Step 6: Final answer
   x = 6,747,906.32