Finding the Fourth Proportional to 112,091.67, 154,371.56 and 109,642.23

Step by Step Solution

1. Step 1: Write the proportion equation
   112,091.67 : 154,371.56 = 109,642.23 : x
2. Step 2: Convert to fraction form
   112,091.67/154,371.56 = 109,642.23/x
3. Step 3: Cross multiply
   112,091.67x = 154,371.56 × 109,642.23
4. Step 4: Simplify right side
   112,091.67x = 16,925,641,538.77
5. Step 5: Solve for x
   x = 16,925,641,538.77/112,091.67
6. Step 6: Final answer
   x = 150,998.21