Finding the Fourth Proportional to 57,768.16, 79,714.28 and 32,612.80

Step by Step Solution

1. Step 1: Write the proportion equation
   57,768.16 : 79,714.28 = 32,612.80 : x
2. Step 2: Convert to fraction form
   57,768.16/79,714.28 = 32,612.80/x
3. Step 3: Cross multiply
   57,768.16x = 79,714.28 × 32,612.80
4. Step 4: Simplify right side
   57,768.16x = 2,599,705,870.78
5. Step 5: Solve for x
   x = 2,599,705,870.78/57,768.16
6. Step 6: Final answer
   x = 45,002.40