Finding the Fourth Proportional to 48,196.32, 72,287.34 and 18,610.46

Step by Step Solution

1. Step 1: Write the proportion equation
   48,196.32 : 72,287.34 = 18,610.46 : x
2. Step 2: Convert to fraction form
   48,196.32/72,287.34 = 18,610.46/x
3. Step 3: Cross multiply
   48,196.32x = 72,287.34 × 18,610.46
4. Step 4: Simplify right side
   48,196.32x = 1,345,300,489.43
5. Step 5: Solve for x
   x = 1,345,300,489.43/48,196.32
6. Step 6: Final answer
   x = 27,912.93