Finding the Fourth Proportional to 112,091.88, 154,683.69 and 61,105.60

Step by Step Solution

1. Step 1: Write the proportion equation
   112,091.88 : 154,683.69 = 61,105.60 : x
2. Step 2: Convert to fraction form
   112,091.88/154,683.69 = 61,105.60/x
3. Step 3: Cross multiply
   112,091.88x = 154,683.69 × 61,105.60
4. Step 4: Simplify right side
   112,091.88x = 9,452,039,687.66
5. Step 5: Solve for x
   x = 9,452,039,687.66/112,091.88
6. Step 6: Final answer
   x = 84,324.04