Finding the Fourth Proportional to 120,667.59, 181,062.81 and 49,644.77

Step by Step Solution

1. Step 1: Write the proportion equation
   120,667.59 : 181,062.81 = 49,644.77 : x
2. Step 2: Convert to fraction form
   120,667.59/181,062.81 = 49,644.77/x
3. Step 3: Cross multiply
   120,667.59x = 181,062.81 × 49,644.77
4. Step 4: Simplify right side
   120,667.59x = 8,988,820,652.69
5. Step 5: Solve for x
   x = 8,988,820,652.69/120,667.59
6. Step 6: Final answer
   x = 74,492.42