Finding the Fourth Proportional to 161,288.82, 241,932.96 and 42,960.51

Step by Step Solution

1. Step 1: Write the proportion equation
   161,288.82 : 241,932.96 = 42,960.51 : x
2. Step 2: Convert to fraction form
   161,288.82/241,932.96 = 42,960.51/x
3. Step 3: Cross multiply
   161,288.82x = 241,932.96 × 42,960.51
4. Step 4: Simplify right side
   161,288.82x = 10,393,563,347.41
5. Step 5: Solve for x
   x = 10,393,563,347.41/161,288.82
6. Step 6: Final answer
   x = 64,440.69