Finding the Fourth Proportional to 89,730.81, 123,821.33 and 52,007.49

Step by Step Solution

1. Step 1: Write the proportion equation
   89,730.81 : 123,821.33 = 52,007.49 : x
2. Step 2: Convert to fraction form
   89,730.81/123,821.33 = 52,007.49/x
3. Step 3: Cross multiply
   89,730.81x = 123,821.33 × 52,007.49
4. Step 4: Simplify right side
   89,730.81x = 6,439,636,321.72
5. Step 5: Solve for x
   x = 6,439,636,321.72/89,730.81
6. Step 6: Final answer
   x = 71,766.17