Finding the Fourth Proportional to 120,077,577.29, 165,707,198.42 and 65,073,433.79

Step by Step Solution

1. Step 1: Write the proportion equation
   120,077,577.29 : 165,707,198.42 = 65,073,433.79 : x
2. Step 2: Convert to fraction form
   120,077,577.29/165,707,198.42 = 65,073,433.79/x
3. Step 3: Cross multiply
   120,077,577.29x = 165,707,198.42 × 65,073,433.79
4. Step 4: Simplify right side
   120,077,577.29x = 10,783,136,404,999,162
5. Step 5: Solve for x
   x = 10,783,136,404,999,162/120,077,577.29
6. Step 6: Final answer
   x = 89,801,415.45