Finding the Fourth Proportional to 123,669.75, 170,664.27 and 69,953.61

Step by Step Solution

1. Step 1: Write the proportion equation
   123,669.75 : 170,664.27 = 69,953.61 : x
2. Step 2: Convert to fraction form
   123,669.75/170,664.27 = 69,953.61/x
3. Step 3: Cross multiply
   123,669.75x = 170,664.27 × 69,953.61
4. Step 4: Simplify right side
   123,669.75x = 11,938,581,784.51
5. Step 5: Solve for x
   x = 11,938,581,784.51/123,669.75
6. Step 6: Final answer
   x = 96,535.99