Finding the Fourth Proportional to 8,797.72, 12,140.50 and 5,258.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,797.72 : 12,140.50 = 5,258.84 : x
2. Step 2: Convert to fraction form
   8,797.72/12,140.50 = 5,258.84/x
3. Step 3: Cross multiply
   8,797.72x = 12,140.50 × 5,258.84
4. Step 4: Simplify right side
   8,797.72x = 63,844,947.02
5. Step 5: Solve for x
   x = 63,844,947.02/8,797.72
6. Step 6: Final answer
   x = 7,256.99