Finding the Fourth Proportional to 89,755.49, 134,660.58 and 42,406.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,755.49 : 134,660.58 = 42,406.94 : x
2. Step 2: Convert to fraction form
   89,755.49/134,660.58 = 42,406.94/x
3. Step 3: Cross multiply
   89,755.49x = 134,660.58 × 42,406.94
4. Step 4: Simplify right side
   89,755.49x = 5,710,543,314.05
5. Step 5: Solve for x
   x = 5,710,543,314.05/89,755.49
6. Step 6: Final answer
   x = 63,623.33