Finding the Fourth Proportional to 89,580.73, 134,400.27 and 42,837.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,580.73 : 134,400.27 = 42,837.25 : x
2. Step 2: Convert to fraction form
   89,580.73/134,400.27 = 42,837.25/x
3. Step 3: Cross multiply
   89,580.73x = 134,400.27 × 42,837.25
4. Step 4: Simplify right side
   89,580.73x = 5,757,337,966.06
5. Step 5: Solve for x
   x = 5,757,337,966.06/89,580.73
6. Step 6: Final answer
   x = 64,269.83