Finding the Fourth Proportional to 161,818.17, 242,505.59 and 102,695.33

Step by Step Solution

1. Step 1: Write the proportion equation
   161,818.17 : 242,505.59 = 102,695.33 : x
2. Step 2: Convert to fraction form
   161,818.17/242,505.59 = 102,695.33/x
3. Step 3: Cross multiply
   161,818.17x = 242,505.59 × 102,695.33
4. Step 4: Simplify right side
   161,818.17x = 24,904,189,865.89
5. Step 5: Solve for x
   x = 24,904,189,865.89/161,818.17
6. Step 6: Final answer
   x = 153,902.31