Finding the Fourth Proportional to 35,274.42, 48,680.46 and 21,852.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,274.42 : 48,680.46 = 21,852.72 : x
2. Step 2: Convert to fraction form
   35,274.42/48,680.46 = 21,852.72/x
3. Step 3: Cross multiply
   35,274.42x = 48,680.46 × 21,852.72
4. Step 4: Simplify right side
   35,274.42x = 1,063,800,461.85
5. Step 5: Solve for x
   x = 1,063,800,461.85/35,274.42
6. Step 6: Final answer
   x = 30,157.84