Finding the Fourth Proportional to 89,499.52, 123,512.21 and 49,217.01

Step by Step Solution

1. Step 1: Write the proportion equation
   89,499.52 : 123,512.21 = 49,217.01 : x
2. Step 2: Convert to fraction form
   89,499.52/123,512.21 = 49,217.01/x
3. Step 3: Cross multiply
   89,499.52x = 123,512.21 × 49,217.01
4. Step 4: Simplify right side
   89,499.52x = 6,078,901,674.69
5. Step 5: Solve for x
   x = 6,078,901,674.69/89,499.52
6. Step 6: Final answer
   x = 67,921.05