Finding the Fourth Proportional to 123,291.18, 170,150.81 and 69,580.89

Step by Step Solution

1. Step 1: Write the proportion equation
   123,291.18 : 170,150.81 = 69,580.89 : x
2. Step 2: Convert to fraction form
   123,291.18/170,150.81 = 69,580.89/x
3. Step 3: Cross multiply
   123,291.18x = 170,150.81 × 69,580.89
4. Step 4: Simplify right side
   123,291.18x = 11,839,244,794.02
5. Step 5: Solve for x
   x = 11,839,244,794.02/123,291.18
6. Step 6: Final answer
   x = 96,026.70