Finding the Fourth Proportional to 57,085.92, 78,817.35 and 35,584.29

Step by Step Solution

1. Step 1: Write the proportion equation
   57,085.92 : 78,817.35 = 35,584.29 : x
2. Step 2: Convert to fraction form
   57,085.92/78,817.35 = 35,584.29/x
3. Step 3: Cross multiply
   57,085.92x = 78,817.35 × 35,584.29
4. Step 4: Simplify right side
   57,085.92x = 2,804,659,439.43
5. Step 5: Solve for x
   x = 2,804,659,439.43/57,085.92
6. Step 6: Final answer
   x = 49,130.49