Finding the Fourth Proportional to 9,098.71, 12,556.34 and 5,119.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,098.71 : 12,556.34 = 5,119.83 : x
2. Step 2: Convert to fraction form
   9,098.71/12,556.34 = 5,119.83/x
3. Step 3: Cross multiply
   9,098.71x = 12,556.34 × 5,119.83
4. Step 4: Simplify right side
   9,098.71x = 64,286,300.62
5. Step 5: Solve for x
   x = 64,286,300.62/9,098.71
6. Step 6: Final answer
   x = 7,065.43