Finding the Fourth Proportional to 111,667.81, 154,182.03 and 68,705.11

Step by Step Solution

1. Step 1: Write the proportion equation
   111,667.81 : 154,182.03 = 68,705.11 : x
2. Step 2: Convert to fraction form
   111,667.81/154,182.03 = 68,705.11/x
3. Step 3: Cross multiply
   111,667.81x = 154,182.03 × 68,705.11
4. Step 4: Simplify right side
   111,667.81x = 10,593,093,331.17
5. Step 5: Solve for x
   x = 10,593,093,331.17/111,667.81
6. Step 6: Final answer
   x = 94,862.55