Finding the Fourth Proportional to 12,544,423,368.66, 18,817,260,305.83 and 3,581,941,917.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,544,423,368.66 : 18,817,260,305.83 = 3,581,941,917.89 : x
2. Step 2: Convert to fraction form
   12,544,423,368.66/18,817,260,305.83 = 3,581,941,917.89/x
3. Step 3: Cross multiply
   12,544,423,368.66x = 18,817,260,305.83 × 3,581,941,917.89
4. Step 4: Simplify right side
   12,544,423,368.66x = 67,402,333,469,336,371,200
5. Step 5: Solve for x
   x = 67,402,333,469,336,371,200/12,544,423,368.66
6. Step 6: Final answer
   x = 5,373,091,411.90