Finding the Fourth Proportional to 89,002.50, 122,823.81 and 49,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,002.50 : 122,823.81 = 49,258.50 : x
2. Step 2: Convert to fraction form
   89,002.50/122,823.81 = 49,258.50/x
3. Step 3: Cross multiply
   89,002.50x = 122,823.81 × 49,258.50
4. Step 4: Simplify right side
   89,002.50x = 6,050,116,644.89
5. Step 5: Solve for x
   x = 6,050,116,644.89/89,002.50
6. Step 6: Final answer
   x = 67,976.93