Finding the Fourth Proportional to 161,777.94, 242,667.52 and 49,457.72

Step by Step Solution

1. Step 1: Write the proportion equation
   161,777.94 : 242,667.52 = 49,457.72 : x
2. Step 2: Convert to fraction form
   161,777.94/242,667.52 = 49,457.72/x
3. Step 3: Cross multiply
   161,777.94x = 242,667.52 × 49,457.72
4. Step 4: Simplify right side
   161,777.94x = 12,001,782,257.25
5. Step 5: Solve for x
   x = 12,001,782,257.25/161,777.94
6. Step 6: Final answer
   x = 74,186.77