Finding the Fourth Proportional to 89,501.42, 123,513.99 and 49,217.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,501.42 : 123,513.99 = 49,217.42 : x
2. Step 2: Convert to fraction form
   89,501.42/123,513.99 = 49,217.42/x
3. Step 3: Cross multiply
   89,501.42x = 123,513.99 × 49,217.42
4. Step 4: Simplify right side
   89,501.42x = 6,079,039,921.71
5. Step 5: Solve for x
   x = 6,079,039,921.71/89,501.42
6. Step 6: Final answer
   x = 67,921.16