Finding the Fourth Proportional to 123,325, 170,189.72 and 66,737.59

Step by Step Solution

1. Step 1: Write the proportion equation
   123,325 : 170,189.72 = 66,737.59 : x
2. Step 2: Convert to fraction form
   123,325/170,189.72 = 66,737.59/x
3. Step 3: Cross multiply
   123,325x = 170,189.72 × 66,737.59
4. Step 4: Simplify right side
   123,325x = 11,358,051,755.57
5. Step 5: Solve for x
   x = 11,358,051,755.57/123,325
6. Step 6: Final answer
   x = 92,098.53