Finding the Fourth Proportional to 120,077,591.36, 165,707,217.74 and 65,073,447.86

Step by Step Solution

1. Step 1: Write the proportion equation
   120,077,591.36 : 165,707,217.74 = 65,073,447.86 : x
2. Step 2: Convert to fraction form
   120,077,591.36/165,707,217.74 = 65,073,447.86/x
3. Step 3: Cross multiply
   120,077,591.36x = 165,707,217.74 × 65,073,447.86
4. Step 4: Simplify right side
   120,077,591.36x = 10,783,139,993,629,558
5. Step 5: Solve for x
   x = 10,783,139,993,629,558/120,077,591.36
6. Step 6: Final answer
   x = 89,801,434.82