Finding the Fourth Proportional to 8,794.01, 12,137.17 and 5,259.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,794.01 : 12,137.17 = 5,259.31 : x
2. Step 2: Convert to fraction form
   8,794.01/12,137.17 = 5,259.31/x
3. Step 3: Cross multiply
   8,794.01x = 12,137.17 × 5,259.31
4. Step 4: Simplify right side
   8,794.01x = 63,833,139.55
5. Step 5: Solve for x
   x = 63,833,139.55/8,794.01
6. Step 6: Final answer
   x = 7,258.71