Finding the Fourth Proportional to 16,447,620.30, 24,571,469.63 and 10,643,066.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,447,620.30 : 24,571,469.63 = 10,643,066.61 : x
2. Step 2: Convert to fraction form
   16,447,620.30/24,571,469.63 = 10,643,066.61/x
3. Step 3: Cross multiply
   16,447,620.30x = 24,571,469.63 × 10,643,066.61
4. Step 4: Simplify right side
   16,447,620.30x = 261,515,787,924,466.72
5. Step 5: Solve for x
   x = 261,515,787,924,466.72/16,447,620.30
6. Step 6: Final answer
   x = 15,899,916.41