Finding the Fourth Proportional to 112,081.20, 154,667.41 and 61,092.81

Step by Step Solution

1. Step 1: Write the proportion equation
   112,081.20 : 154,667.41 = 61,092.81 : x
2. Step 2: Convert to fraction form
   112,081.20/154,667.41 = 61,092.81/x
3. Step 3: Cross multiply
   112,081.20x = 154,667.41 × 61,092.81
4. Step 4: Simplify right side
   112,081.20x = 9,449,066,386.86
5. Step 5: Solve for x
   x = 9,449,066,386.86/112,081.20
6. Step 6: Final answer
   x = 84,305.54