Finding the Fourth Proportional to 89,555.22, 134,258.31 and 42,146.73

Step by Step Solution

1. Step 1: Write the proportion equation
   89,555.22 : 134,258.31 = 42,146.73 : x
2. Step 2: Convert to fraction form
   89,555.22/134,258.31 = 42,146.73/x
3. Step 3: Cross multiply
   89,555.22x = 134,258.31 × 42,146.73
4. Step 4: Simplify right side
   89,555.22x = 5,658,548,741.83
5. Step 5: Solve for x
   x = 5,658,548,741.83/89,555.22
6. Step 6: Final answer
   x = 63,185.02