Finding the Fourth Proportional to 89,575.94, 123,615.25 and 49,288.70

Step by Step Solution

1. Step 1: Write the proportion equation
   89,575.94 : 123,615.25 = 49,288.70 : x
2. Step 2: Convert to fraction form
   89,575.94/123,615.25 = 49,288.70/x
3. Step 3: Cross multiply
   89,575.94x = 123,615.25 × 49,288.70
4. Step 4: Simplify right side
   89,575.94x = 6,092,835,158.49
5. Step 5: Solve for x
   x = 6,092,835,158.49/89,575.94
6. Step 6: Final answer
   x = 68,018.66