Finding the Fourth Proportional to 8,815,647,196.85, 13,229,159,788.25 and 3,219,115,708.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,815,647,196.85 : 13,229,159,788.25 = 3,219,115,708.00 : x
2. Step 2: Convert to fraction form
   8,815,647,196.85/13,229,159,788.25 = 3,219,115,708.00/x
3. Step 3: Cross multiply
   8,815,647,196.85x = 13,229,159,788.25 × 3,219,115,708.00
4. Step 4: Simplify right side
   8,815,647,196.85x = 42,586,196,078,011,506,688
5. Step 5: Solve for x
   x = 42,586,196,078,011,506,688/8,815,647,196.85
6. Step 6: Final answer
   x = 4,830,750,950.79