Finding the Fourth Proportional to 9,098.51, 12,555.82 and 5,119.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,098.51 : 12,555.82 = 5,119.65 : x
2. Step 2: Convert to fraction form
   9,098.51/12,555.82 = 5,119.65/x
3. Step 3: Cross multiply
   9,098.51x = 12,555.82 × 5,119.65
4. Step 4: Simplify right side
   9,098.51x = 64,281,403.86
5. Step 5: Solve for x
   x = 64,281,403.86/9,098.51
6. Step 6: Final answer
   x = 7,065.05