Finding the Fourth Proportional to 7,116,391.50, 10,675,693.17 and 2,389,689.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,116,391.50 : 10,675,693.17 = 2,389,689.42 : x
2. Step 2: Convert to fraction form
   7,116,391.50/10,675,693.17 = 2,389,689.42/x
3. Step 3: Cross multiply
   7,116,391.50x = 10,675,693.17 × 2,389,689.42
4. Step 4: Simplify right side
   7,116,391.50x = 25,511,591,019,515.26
5. Step 5: Solve for x
   x = 25,511,591,019,515.26/7,116,391.50
6. Step 6: Final answer
   x = 3,584,905.50