Finding the Fourth Proportional to 8,258.22, 12,389.49 and 4,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,258.22 : 12,389.49 = 4,792.50 : x
2. Step 2: Convert to fraction form
   8,258.22/12,389.49 = 4,792.50/x
3. Step 3: Cross multiply
   8,258.22x = 12,389.49 × 4,792.50
4. Step 4: Simplify right side
   8,258.22x = 59,376,630.83
5. Step 5: Solve for x
   x = 59,376,630.83/8,258.22
6. Step 6: Final answer
   x = 7,190.00