Finding the Fourth Proportional to 12,807,906,474.76, 17,673,945,901.34 and 7,795,099,871.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807,906,474.76 : 17,673,945,901.34 = 7,795,099,871.08 : x
2. Step 2: Convert to fraction form
   12,807,906,474.76/17,673,945,901.34 = 7,795,099,871.08/x
3. Step 3: Cross multiply
   12,807,906,474.76x = 17,673,945,901.34 × 7,795,099,871.08
4. Step 4: Simplify right side
   12,807,906,474.76x = 137,770,173,417,010,331,648
5. Step 5: Solve for x
   x = 137,770,173,417,010,331,648/12,807,906,474.76
6. Step 6: Final answer
   x = 10,756,650,486.83