Finding the Fourth Proportional to 120,617,758.24, 166,452,380.40 and 65,613,483.52

Step by Step Solution

1. Step 1: Write the proportion equation
   120,617,758.24 : 166,452,380.40 = 65,613,483.52 : x
2. Step 2: Convert to fraction form
   120,617,758.24/166,452,380.40 = 65,613,483.52/x
3. Step 3: Cross multiply
   120,617,758.24x = 166,452,380.40 × 65,613,483.52
4. Step 4: Simplify right side
   120,617,758.24x = 10,921,520,518,240,172
5. Step 5: Solve for x
   x = 10,921,520,518,240,172/120,617,758.24
6. Step 6: Final answer
   x = 90,546,538.73