Finding the Fourth Proportional to 123,041.08, 169,818.42 and 117,431.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,041.08 : 169,818.42 = 117,431.48 : x
2. Step 2: Convert to fraction form
   123,041.08/169,818.42 = 117,431.48/x
3. Step 3: Cross multiply
   123,041.08x = 169,818.42 × 117,431.48
4. Step 4: Simplify right side
   123,041.08x = 19,942,028,391.86
5. Step 5: Solve for x
   x = 19,942,028,391.86/123,041.08
6. Step 6: Final answer
   x = 162,076.18