Finding the Fourth Proportional to 123,064.92, 169,871.78 and 72,094

Step by Step Solution

1. Step 1: Write the proportion equation
   123,064.92 : 169,871.78 = 72,094 : x
2. Step 2: Convert to fraction form
   123,064.92/169,871.78 = 72,094/x
3. Step 3: Cross multiply
   123,064.92x = 169,871.78 × 72,094
4. Step 4: Simplify right side
   123,064.92x = 12,246,736,107.32
5. Step 5: Solve for x
   x = 12,246,736,107.32/123,064.92
6. Step 6: Final answer
   x = 99,514.44