Finding the Fourth Proportional to 8,503,798.89, 12,748,144.95 and 3,315,212.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,503,798.89 : 12,748,144.95 = 3,315,212.48 : x
2. Step 2: Convert to fraction form
   8,503,798.89/12,748,144.95 = 3,315,212.48/x
3. Step 3: Cross multiply
   8,503,798.89x = 12,748,144.95 × 3,315,212.48
4. Step 4: Simplify right side
   8,503,798.89x = 42,262,809,171,348.25
5. Step 5: Solve for x
   x = 42,262,809,171,348.25/8,503,798.89
6. Step 6: Final answer
   x = 4,969,874.02