Finding the Fourth Proportional to 112,078.38, 154,667.15 and 61,091.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,078.38 : 154,667.15 = 61,091.10 : x
2. Step 2: Convert to fraction form
   112,078.38/154,667.15 = 61,091.10/x
3. Step 3: Cross multiply
   112,078.38x = 154,667.15 × 61,091.10
4. Step 4: Simplify right side
   112,078.38x = 9,448,786,327.37
5. Step 5: Solve for x
   x = 9,448,786,327.37/112,078.38
6. Step 6: Final answer
   x = 84,305.17