Finding the Fourth Proportional to 89,556.72, 134,260.56 and 42,148.23

Step by Step Solution

1. Step 1: Write the proportion equation
   89,556.72 : 134,260.56 = 42,148.23 : x
2. Step 2: Convert to fraction form
   89,556.72/134,260.56 = 42,148.23/x
3. Step 3: Cross multiply
   89,556.72x = 134,260.56 × 42,148.23
4. Step 4: Simplify right side
   89,556.72x = 5,658,844,962.81
5. Step 5: Solve for x
   x = 5,658,844,962.81/89,556.72
6. Step 6: Final answer
   x = 63,187.27