Finding the Fourth Proportional to 57,874.32, 79,857 and 36,360.72

Step by Step Solution

1. Step 1: Write the proportion equation
   57,874.32 : 79,857 = 36,360.72 : x
2. Step 2: Convert to fraction form
   57,874.32/79,857 = 36,360.72/x
3. Step 3: Cross multiply
   57,874.32x = 79,857 × 36,360.72
4. Step 4: Simplify right side
   57,874.32x = 2,903,658,017.04
5. Step 5: Solve for x
   x = 2,903,658,017.04/57,874.32
6. Step 6: Final answer
   x = 50,171.79