Finding the Fourth Proportional to 161,621.73, 242,410.73 and 43,294.10

Step by Step Solution

1. Step 1: Write the proportion equation
   161,621.73 : 242,410.73 = 43,294.10 : x
2. Step 2: Convert to fraction form
   161,621.73/242,410.73 = 43,294.10/x
3. Step 3: Cross multiply
   161,621.73x = 242,410.73 × 43,294.10
4. Step 4: Simplify right side
   161,621.73x = 10,494,952,957.17
5. Step 5: Solve for x
   x = 10,494,952,957.17/161,621.73
6. Step 6: Final answer
   x = 64,935.28