Finding the Fourth Proportional to 57,818.16, 86,738.94 and 32,870.16

Step by Step Solution

1. Step 1: Write the proportion equation
   57,818.16 : 86,738.94 = 32,870.16 : x
2. Step 2: Convert to fraction form
   57,818.16/86,738.94 = 32,870.16/x
3. Step 3: Cross multiply
   57,818.16x = 86,738.94 × 32,870.16
4. Step 4: Simplify right side
   57,818.16x = 2,851,122,836.03
5. Step 5: Solve for x
   x = 2,851,122,836.03/57,818.16
6. Step 6: Final answer
   x = 49,311.89