Finding the Fourth Proportional to 9,290.25, 12,820.59 and 5,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.25 : 12,820.59 = 5,098.50 : x
2. Step 2: Convert to fraction form
   9,290.25/12,820.59 = 5,098.50/x
3. Step 3: Cross multiply
   9,290.25x = 12,820.59 × 5,098.50
4. Step 4: Simplify right side
   9,290.25x = 65,365,778.12
5. Step 5: Solve for x
   x = 65,365,778.12/9,290.25
6. Step 6: Final answer
   x = 7,035.95