Finding the Fourth Proportional to 89,556.22, 134,259.81 and 42,147.73

Step by Step Solution

1. Step 1: Write the proportion equation
   89,556.22 : 134,259.81 = 42,147.73 : x
2. Step 2: Convert to fraction form
   89,556.22/134,259.81 = 42,147.73/x
3. Step 3: Cross multiply
   89,556.22x = 134,259.81 × 42,147.73
4. Step 4: Simplify right side
   89,556.22x = 5,658,746,221.73
5. Step 5: Solve for x
   x = 5,658,746,221.73/89,556.22
6. Step 6: Final answer
   x = 63,186.52