Finding the Fourth Proportional to 9,997,520,110.72, 13,796,703,462.72 and 5,769,309,379.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997,520,110.72 : 13,796,703,462.72 = 5,769,309,379.84 : x
2. Step 2: Convert to fraction form
   9,997,520,110.72/13,796,703,462.72 = 5,769,309,379.84/x
3. Step 3: Cross multiply
   9,997,520,110.72x = 13,796,703,462.72 × 5,769,309,379.84
4. Step 4: Simplify right side
   9,997,520,110.72x = 79,597,450,698,341,498,880
5. Step 5: Solve for x
   x = 79,597,450,698,341,498,880/9,997,520,110.72
6. Step 6: Final answer
   x = 7,961,719,488.12