Finding the Fourth Proportional to 123,522.40, 170,469.54 and 69,812.32

Step by Step Solution

1. Step 1: Write the proportion equation
   123,522.40 : 170,469.54 = 69,812.32 : x
2. Step 2: Convert to fraction form
   123,522.40/170,469.54 = 69,812.32/x
3. Step 3: Cross multiply
   123,522.40x = 170,469.54 × 69,812.32
4. Step 4: Simplify right side
   123,522.40x = 11,900,874,076.73
5. Step 5: Solve for x
   x = 11,900,874,076.73/123,522.40
6. Step 6: Final answer
   x = 96,345.88