Finding the Fourth Proportional to 9,119.89, 12,585.50 and 5,141.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,119.89 : 12,585.50 = 5,141.08 : x
2. Step 2: Convert to fraction form
   9,119.89/12,585.50 = 5,141.08/x
3. Step 3: Cross multiply
   9,119.89x = 12,585.50 × 5,141.08
4. Step 4: Simplify right side
   9,119.89x = 64,703,062.34
5. Step 5: Solve for x
   x = 64,703,062.34/9,119.89
6. Step 6: Final answer
   x = 7,094.72