Finding the Fourth Proportional to 8,503,795.89, 12,748,140.45 and 3,315,209.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,503,795.89 : 12,748,140.45 = 3,315,209.47 : x
2. Step 2: Convert to fraction form
   8,503,795.89/12,748,140.45 = 3,315,209.47/x
3. Step 3: Cross multiply
   8,503,795.89x = 12,748,140.45 × 3,315,209.47
4. Step 4: Simplify right side
   8,503,795.89x = 42,262,755,948,713.85
5. Step 5: Solve for x
   x = 42,262,755,948,713.85/8,503,795.89
6. Step 6: Final answer
   x = 4,969,869.51