Finding the Fourth Proportional to 9,290.54, 12,820.56 and 5,098.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.54 : 12,820.56 = 5,098.88 : x
2. Step 2: Convert to fraction form
   9,290.54/12,820.56 = 5,098.88/x
3. Step 3: Cross multiply
   9,290.54x = 12,820.56 × 5,098.88
4. Step 4: Simplify right side
   9,290.54x = 65,370,496.97
5. Step 5: Solve for x
   x = 65,370,496.97/9,290.54
6. Step 6: Final answer
   x = 7,036.24