Finding the Fourth Proportional to 9,119.04, 12,587.40 and 5,343.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,119.04 : 12,587.40 = 5,343.42 : x
2. Step 2: Convert to fraction form
   9,119.04/12,587.40 = 5,343.42/x
3. Step 3: Cross multiply
   9,119.04x = 12,587.40 × 5,343.42
4. Step 4: Simplify right side
   9,119.04x = 67,259,764.91
5. Step 5: Solve for x
   x = 67,259,764.91/9,119.04
6. Step 6: Final answer
   x = 7,375.75