Finding the Fourth Proportional to 9,290.76, 12,820.86 and 5,098.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.76 : 12,820.86 = 5,098.74 : x
2. Step 2: Convert to fraction form
   9,290.76/12,820.86 = 5,098.74/x
3. Step 3: Cross multiply
   9,290.76x = 12,820.86 × 5,098.74
4. Step 4: Simplify right side
   9,290.76x = 65,370,231.72
5. Step 5: Solve for x
   x = 65,370,231.72/9,290.76
6. Step 6: Final answer
   x = 7,036.05