Finding the Fourth Proportional to 123,498.94, 170,429.25 and 66,910.32

Step by Step Solution

1. Step 1: Write the proportion equation
   123,498.94 : 170,429.25 = 66,910.32 : x
2. Step 2: Convert to fraction form
   123,498.94/170,429.25 = 66,910.32/x
3. Step 3: Cross multiply
   123,498.94x = 170,429.25 × 66,910.32
4. Step 4: Simplify right side
   123,498.94x = 11,403,474,468.16
5. Step 5: Solve for x
   x = 11,403,474,468.16/123,498.94
6. Step 6: Final answer
   x = 92,336.62