Finding the Fourth Proportional to 89,562.89, 134,140.09 and 42,848.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,562.89 : 134,140.09 = 42,848.81 : x
2. Step 2: Convert to fraction form
   89,562.89/134,140.09 = 42,848.81/x
3. Step 3: Cross multiply
   89,562.89x = 134,140.09 × 42,848.81
4. Step 4: Simplify right side
   89,562.89x = 5,747,742,451.97
5. Step 5: Solve for x
   x = 5,747,742,451.97/89,562.89
6. Step 6: Final answer
   x = 64,175.49