Finding the Fourth Proportional to 6,989,066.10, 9,644,891.49 and 3,933,280.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,989,066.10 : 9,644,891.49 = 3,933,280.35 : x
2. Step 2: Convert to fraction form
   6,989,066.10/9,644,891.49 = 3,933,280.35/x
3. Step 3: Cross multiply
   6,989,066.10x = 9,644,891.49 × 3,933,280.35
4. Step 4: Simplify right side
   6,989,066.10x = 37,936,062,175,499.23
5. Step 5: Solve for x
   x = 37,936,062,175,499.23/6,989,066.10
6. Step 6: Final answer
   x = 5,427,915.78