Finding the Fourth Proportional to 120,783.24, 181,116.34 and 50,643.72

Step by Step Solution

1. Step 1: Write the proportion equation
   120,783.24 : 181,116.34 = 50,643.72 : x
2. Step 2: Convert to fraction form
   120,783.24/181,116.34 = 50,643.72/x
3. Step 3: Cross multiply
   120,783.24x = 181,116.34 × 50,643.72
4. Step 4: Simplify right side
   120,783.24x = 9,172,405,210.38
5. Step 5: Solve for x
   x = 9,172,405,210.38/120,783.24
6. Step 6: Final answer
   x = 75,941.04