Finding the Fourth Proportional to 120,965.52, 181,500.16 and 42,036.64

Step by Step Solution

1. Step 1: Write the proportion equation
   120,965.52 : 181,500.16 = 42,036.64 : x
2. Step 2: Convert to fraction form
   120,965.52/181,500.16 = 42,036.64/x
3. Step 3: Cross multiply
   120,965.52x = 181,500.16 × 42,036.64
4. Step 4: Simplify right side
   120,965.52x = 7,629,656,885.86
5. Step 5: Solve for x
   x = 7,629,656,885.86/120,965.52
6. Step 6: Final answer
   x = 63,072.99