Finding the Fourth Proportional to 70,588.72, 105,789.58 and 33,081.68

Step by Step Solution

1. Step 1: Write the proportion equation
   70,588.72 : 105,789.58 = 33,081.68 : x
2. Step 2: Convert to fraction form
   70,588.72/105,789.58 = 33,081.68/x
3. Step 3: Cross multiply
   70,588.72x = 105,789.58 × 33,081.68
4. Step 4: Simplify right side
   70,588.72x = 3,499,697,032.89
5. Step 5: Solve for x
   x = 3,499,697,032.89/70,588.72
6. Step 6: Final answer
   x = 49,578.70