Finding the Fourth Proportional to 89,578.17, 123,615.18 and 49,292.01

Step by Step Solution

1. Step 1: Write the proportion equation
   89,578.17 : 123,615.18 = 49,292.01 : x
2. Step 2: Convert to fraction form
   89,578.17/123,615.18 = 49,292.01/x
3. Step 3: Cross multiply
   89,578.17x = 123,615.18 × 49,292.01
4. Step 4: Simplify right side
   89,578.17x = 6,093,240,688.71
5. Step 5: Solve for x
   x = 6,093,240,688.71/89,578.17
6. Step 6: Final answer
   x = 68,021.49