Finding the Fourth Proportional to 120,077,587.86, 165,707,212.91 and 65,073,444.36

Step by Step Solution

1. Step 1: Write the proportion equation
   120,077,587.86 : 165,707,212.91 = 65,073,444.36 : x
2. Step 2: Convert to fraction form
   120,077,587.86/165,707,212.91 = 65,073,444.36/x
3. Step 3: Cross multiply
   120,077,587.86x = 165,707,212.91 × 65,073,444.36
4. Step 4: Simplify right side
   120,077,587.86x = 10,783,139,099,024,192
5. Step 5: Solve for x
   x = 10,783,139,099,024,192/120,077,587.86
6. Step 6: Final answer
   x = 89,801,429.99