Finding the Fourth Proportional to 89,581.23, 134,401.02 and 42,837.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,581.23 : 134,401.02 = 42,837.75 : x
2. Step 2: Convert to fraction form
   89,581.23/134,401.02 = 42,837.75/x
3. Step 3: Cross multiply
   89,581.23x = 134,401.02 × 42,837.75
4. Step 4: Simplify right side
   89,581.23x = 5,757,437,294.51
5. Step 5: Solve for x
   x = 5,757,437,294.51/89,581.23
6. Step 6: Final answer
   x = 64,270.58