Finding the Fourth Proportional to 132,443, 198,533.28 and 62,196.56

Step by Step Solution

1. Step 1: Write the proportion equation
   132,443 : 198,533.28 = 62,196.56 : x
2. Step 2: Convert to fraction form
   132,443/198,533.28 = 62,196.56/x
3. Step 3: Cross multiply
   132,443x = 198,533.28 × 62,196.56
4. Step 4: Simplify right side
   132,443x = 12,348,087,061.52
5. Step 5: Solve for x
   x = 12,348,087,061.52/132,443
6. Step 6: Final answer
   x = 93,233.22