Finding the Fourth Proportional to 56,939.62, 78,570.68 and 33,061.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,939.62 : 78,570.68 = 33,061.62 : x
2. Step 2: Convert to fraction form
   56,939.62/78,570.68 = 33,061.62/x
3. Step 3: Cross multiply
   56,939.62x = 78,570.68 × 33,061.62
4. Step 4: Simplify right side
   56,939.62x = 2,597,673,965.30
5. Step 5: Solve for x
   x = 2,597,673,965.30/56,939.62
6. Step 6: Final answer
   x = 45,621.55