Finding the Fourth Proportional to 147,915.48, 204,111.99 and 87,481.38

Step by Step Solution

1. Step 1: Write the proportion equation
   147,915.48 : 204,111.99 = 87,481.38 : x
2. Step 2: Convert to fraction form
   147,915.48/204,111.99 = 87,481.38/x
3. Step 3: Cross multiply
   147,915.48x = 204,111.99 × 87,481.38
4. Step 4: Simplify right side
   147,915.48x = 17,855,998,559.75
5. Step 5: Solve for x
   x = 17,855,998,559.75/147,915.48
6. Step 6: Final answer
   x = 120,717.58