Finding the Fourth Proportional to 10,789,213.80, 16,181,747.10 and 3,216,426.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789,213.80 : 16,181,747.10 = 3,216,426.60 : x
2. Step 2: Convert to fraction form
   10,789,213.80/16,181,747.10 = 3,216,426.60/x
3. Step 3: Cross multiply
   10,789,213.80x = 16,181,747.10 × 3,216,426.60
4. Step 4: Simplify right side
   10,789,213.80x = 52,047,401,806,912.86
5. Step 5: Solve for x
   x = 52,047,401,806,912.86/10,789,213.80
6. Step 6: Final answer
   x = 4,824,021.73