Finding the Fourth Proportional to 22,196.60, 33,230.10 and 21,548.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.60 : 33,230.10 = 21,548.60 : x
2. Step 2: Convert to fraction form
   22,196.60/33,230.10 = 21,548.60/x
3. Step 3: Cross multiply
   22,196.60x = 33,230.10 × 21,548.60
4. Step 4: Simplify right side
   22,196.60x = 716,062,132.86
5. Step 5: Solve for x
   x = 716,062,132.86/22,196.60
6. Step 6: Final answer
   x = 32,259.99