Finding the Fourth Proportional to 89,040.48, 133,575.30 and 42,277.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,040.48 : 133,575.30 = 42,277.56 : x
2. Step 2: Convert to fraction form
   89,040.48/133,575.30 = 42,277.56/x
3. Step 3: Cross multiply
   89,040.48x = 133,575.30 × 42,277.56
4. Step 4: Simplify right side
   89,040.48x = 5,647,237,760.27
5. Step 5: Solve for x
   x = 5,647,237,760.27/89,040.48
6. Step 6: Final answer
   x = 63,423.26