Finding the Fourth Proportional to 120,617,760.24, 166,452,383.16 and 65,613,485.52

Step by Step Solution

1. Step 1: Write the proportion equation
   120,617,760.24 : 166,452,383.16 = 65,613,485.52 : x
2. Step 2: Convert to fraction form
   120,617,760.24/166,452,383.16 = 65,613,485.52/x
3. Step 3: Cross multiply
   120,617,760.24x = 166,452,383.16 × 65,613,485.52
4. Step 4: Simplify right side
   120,617,760.24x = 10,921,521,032,238,152
5. Step 5: Solve for x
   x = 10,921,521,032,238,152/120,617,760.24
6. Step 6: Final answer
   x = 90,546,541.49