Finding the Fourth Proportional to 161,685.36, 242,525.88 and 41,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   161,685.36 : 242,525.88 = 41,742.72 : x
2. Step 2: Convert to fraction form
   161,685.36/242,525.88 = 41,742.72/x
3. Step 3: Cross multiply
   161,685.36x = 242,525.88 × 41,742.72
4. Step 4: Simplify right side
   161,685.36x = 10,123,689,901.59
5. Step 5: Solve for x
   x = 10,123,689,901.59/161,685.36
6. Step 6: Final answer
   x = 62,613.52