Finding the Fourth Proportional to 111,669.39, 154,128.06 and 68,685.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,669.39 : 154,128.06 = 68,685.84 : x
2. Step 2: Convert to fraction form
   111,669.39/154,128.06 = 68,685.84/x
3. Step 3: Cross multiply
   111,669.39x = 154,128.06 × 68,685.84
4. Step 4: Simplify right side
   111,669.39x = 10,586,415,268.67
5. Step 5: Solve for x
   x = 10,586,415,268.67/111,669.39
6. Step 6: Final answer
   x = 94,801.41