Finding the Fourth Proportional to 123,669.72, 170,664.24 and 69,953.64

Step by Step Solution

1. Step 1: Write the proportion equation
   123,669.72 : 170,664.24 = 69,953.64 : x
2. Step 2: Convert to fraction form
   123,669.72/170,664.24 = 69,953.64/x
3. Step 3: Cross multiply
   123,669.72x = 170,664.24 × 69,953.64
4. Step 4: Simplify right side
   123,669.72x = 11,938,584,805.83
5. Step 5: Solve for x
   x = 11,938,584,805.83/123,669.72
6. Step 6: Final answer
   x = 96,536.04