Finding the Fourth Proportional to 89,546.55, 134,320.43 and 42,657.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89,546.55 : 134,320.43 = 42,657.27 : x
2. Step 2: Convert to fraction form
   89,546.55/134,320.43 = 42,657.27/x
3. Step 3: Cross multiply
   89,546.55x = 134,320.43 × 42,657.27
4. Step 4: Simplify right side
   89,546.55x = 5,729,742,849.03
5. Step 5: Solve for x
   x = 5,729,742,849.03/89,546.55
6. Step 6: Final answer
   x = 63,986.19