Finding the Fourth Proportional to 35,221.01, 48,609.98 and 21,796.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,221.01 : 48,609.98 = 21,796.60 : x
2. Step 2: Convert to fraction form
   35,221.01/48,609.98 = 21,796.60/x
3. Step 3: Cross multiply
   35,221.01x = 48,609.98 × 21,796.60
4. Step 4: Simplify right side
   35,221.01x = 1,059,532,223.03
5. Step 5: Solve for x
   x = 1,059,532,223.03/35,221.01
6. Step 6: Final answer
   x = 30,082.39