Finding the Fourth Proportional to 64,488.52, 89,002.56 and 36,194.23

Step by Step Solution

1. Step 1: Write the proportion equation
   64,488.52 : 89,002.56 = 36,194.23 : x
2. Step 2: Convert to fraction form
   64,488.52/89,002.56 = 36,194.23/x
3. Step 3: Cross multiply
   64,488.52x = 89,002.56 × 36,194.23
4. Step 4: Simplify right side
   64,488.52x = 3,221,379,127.23
5. Step 5: Solve for x
   x = 3,221,379,127.23/64,488.52
6. Step 6: Final answer
   x = 49,952.75