Finding the Fourth Proportional to 8,425,423.78, 12,638,495.34 and 3,308,962.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,425,423.78 : 12,638,495.34 = 3,308,962.52 : x
2. Step 2: Convert to fraction form
   8,425,423.78/12,638,495.34 = 3,308,962.52/x
3. Step 3: Cross multiply
   8,425,423.78x = 12,638,495.34 × 3,308,962.52
4. Step 4: Simplify right side
   8,425,423.78x = 41,820,307,420,850.89
5. Step 5: Solve for x
   x = 41,820,307,420,850.89/8,425,423.78
6. Step 6: Final answer
   x = 4,963,585.04