Finding the Fourth Proportional to 9,098.61, 12,554.42 and 5,119.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,098.61 : 12,554.42 = 5,119.08 : x
2. Step 2: Convert to fraction form
   9,098.61/12,554.42 = 5,119.08/x
3. Step 3: Cross multiply
   9,098.61x = 12,554.42 × 5,119.08
4. Step 4: Simplify right side
   9,098.61x = 64,267,054.74
5. Step 5: Solve for x
   x = 64,267,054.74/9,098.61
6. Step 6: Final answer
   x = 7,063.39