Finding the Fourth Proportional to 80,101,560.72, 120,156,993.18 and 30,917,694.96

Step by Step Solution

1. Step 1: Write the proportion equation
   80,101,560.72 : 120,156,993.18 = 30,917,694.96 : x
2. Step 2: Convert to fraction form
   80,101,560.72/120,156,993.18 = 30,917,694.96/x
3. Step 3: Cross multiply
   80,101,560.72x = 120,156,993.18 × 30,917,694.96
4. Step 4: Simplify right side
   80,101,560.72x = 3,714,977,262,450,040.50
5. Step 5: Solve for x
   x = 3,714,977,262,450,040.50/80,101,560.72
6. Step 6: Final answer
   x = 46,378,338.06