Finding the Fourth Proportional to 9,289.76, 12,819.86 and 5,098.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,289.76 : 12,819.86 = 5,098.10 : x
2. Step 2: Convert to fraction form
   9,289.76/12,819.86 = 5,098.10/x
3. Step 3: Cross multiply
   9,289.76x = 12,819.86 × 5,098.10
4. Step 4: Simplify right side
   9,289.76x = 65,356,928.27
5. Step 5: Solve for x
   x = 65,356,928.27/9,289.76
6. Step 6: Final answer
   x = 7,035.37