Finding the Fourth Proportional to 123,669.99, 170,664.98 and 67,081.77

Step by Step Solution

1. Step 1: Write the proportion equation
   123,669.99 : 170,664.98 = 67,081.77 : x
2. Step 2: Convert to fraction form
   123,669.99/170,664.98 = 67,081.77/x
3. Step 3: Cross multiply
   123,669.99x = 170,664.98 × 67,081.77
4. Step 4: Simplify right side
   123,669.99x = 11,448,508,600.01
5. Step 5: Solve for x
   x = 11,448,508,600.01/123,669.99
6. Step 6: Final answer
   x = 92,573.05