Finding the Fourth Proportional to 9,119.04, 12,585.12 and 5,140.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,119.04 : 12,585.12 = 5,140.96 : x
2. Step 2: Convert to fraction form
   9,119.04/12,585.12 = 5,140.96/x
3. Step 3: Cross multiply
   9,119.04x = 12,585.12 × 5,140.96
4. Step 4: Simplify right side
   9,119.04x = 64,699,598.52
5. Step 5: Solve for x
   x = 64,699,598.52/9,119.04
6. Step 6: Final answer
   x = 7,095.00