Finding the Fourth Proportional to 260,190.97, 359,123.42 and 169,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   260,190.97 : 359,123.42 = 169,388.72 : x
2. Step 2: Convert to fraction form
   260,190.97/359,123.42 = 169,388.72/x
3. Step 3: Cross multiply
   260,190.97x = 359,123.42 × 169,388.72
4. Step 4: Simplify right side
   260,190.97x = 60,831,456,410.39
5. Step 5: Solve for x
   x = 60,831,456,410.39/260,190.97
6. Step 6: Final answer
   x = 233,795.42