Finding the Fourth Proportional to 57,819.72, 79,817.15 and 33,947.86

Step by Step Solution

1. Step 1: Write the proportion equation
   57,819.72 : 79,817.15 = 33,947.86 : x
2. Step 2: Convert to fraction form
   57,819.72/79,817.15 = 33,947.86/x
3. Step 3: Cross multiply
   57,819.72x = 79,817.15 × 33,947.86
4. Step 4: Simplify right side
   57,819.72x = 2,709,621,277.83
5. Step 5: Solve for x
   x = 2,709,621,277.83/57,819.72
6. Step 6: Final answer
   x = 46,863.27