Finding the Fourth Proportional to 57,019.62, 78,699.57 and 33,160.07

Step by Step Solution

1. Step 1: Write the proportion equation
   57,019.62 : 78,699.57 = 33,160.07 : x
2. Step 2: Convert to fraction form
   57,019.62/78,699.57 = 33,160.07/x
3. Step 3: Cross multiply
   57,019.62x = 78,699.57 × 33,160.07
4. Step 4: Simplify right side
   57,019.62x = 2,609,682,856.67
5. Step 5: Solve for x
   x = 2,609,682,856.67/57,019.62
6. Step 6: Final answer
   x = 45,768.16