Finding the Fourth Proportional to 12,647,156.43, 18,969,201 and 3,549,985.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,647,156.43 : 18,969,201 = 3,549,985.48 : x
2. Step 2: Convert to fraction form
   12,647,156.43/18,969,201 = 3,549,985.48/x
3. Step 3: Cross multiply
   12,647,156.43x = 18,969,201 × 3,549,985.48
4. Step 4: Simplify right side
   12,647,156.43x = 67,340,388,140,912.98
5. Step 5: Solve for x
   x = 67,340,388,140,912.98/12,647,156.43
6. Step 6: Final answer
   x = 5,324,547.73