Finding the Fourth Proportional to 123,091.38, 169,847.28 and 69,375.42

Step by Step Solution

1. Step 1: Write the proportion equation
   123,091.38 : 169,847.28 = 69,375.42 : x
2. Step 2: Convert to fraction form
   123,091.38/169,847.28 = 69,375.42/x
3. Step 3: Cross multiply
   123,091.38x = 169,847.28 × 69,375.42
4. Step 4: Simplify right side
   123,091.38x = 11,783,226,385.86
5. Step 5: Solve for x
   x = 11,783,226,385.86/123,091.38
6. Step 6: Final answer
   x = 95,727.47