Finding the Fourth Proportional to 112,091.38, 154,683 and 61,105.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,091.38 : 154,683 = 61,105.10 : x
2. Step 2: Convert to fraction form
   112,091.38/154,683 = 61,105.10/x
3. Step 3: Cross multiply
   112,091.38x = 154,683 × 61,105.10
4. Step 4: Simplify right side
   112,091.38x = 9,451,920,183.30
5. Step 5: Solve for x
   x = 9,451,920,183.30/112,091.38
6. Step 6: Final answer
   x = 84,323.35