Finding the Fourth Proportional to 8,503,765.80, 12,748,095.31 and 3,315,179.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,503,765.80 : 12,748,095.31 = 3,315,179.31 : x
2. Step 2: Convert to fraction form
   8,503,765.80/12,748,095.31 = 3,315,179.31/x
3. Step 3: Cross multiply
   8,503,765.80x = 12,748,095.31 × 3,315,179.31
4. Step 4: Simplify right side
   8,503,765.80x = 42,262,221,813,620.04
5. Step 5: Solve for x
   x = 42,262,221,813,620.04/8,503,765.80
6. Step 6: Final answer
   x = 4,969,824.29