Finding the Fourth Proportional to 10,581,446.98, 15,871,399.61 and 4,747,439.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,581,446.98 : 15,871,399.61 = 4,747,439.23 : x
2. Step 2: Convert to fraction form
   10,581,446.98/15,871,399.61 = 4,747,439.23/x
3. Step 3: Cross multiply
   10,581,446.98x = 15,871,399.61 × 4,747,439.23
4. Step 4: Simplify right side
   10,581,446.98x = 75,348,505,080,105.02
5. Step 5: Solve for x
   x = 75,348,505,080,105.02/10,581,446.98
6. Step 6: Final answer
   x = 7,120,812.99