Finding the Fourth Proportional to 123,222.51, 170,042.88 and 69,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,222.51 : 170,042.88 = 69,505.50 : x
2. Step 2: Convert to fraction form
   123,222.51/170,042.88 = 69,505.50/x
3. Step 3: Cross multiply
   123,222.51x = 170,042.88 × 69,505.50
4. Step 4: Simplify right side
   123,222.51x = 11,818,915,395.84
5. Step 5: Solve for x
   x = 11,818,915,395.84/123,222.51
6. Step 6: Final answer
   x = 95,915.23