Finding the Fourth Proportional to 7,188.42, 9,919.32 and 5,301.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,188.42 : 9,919.32 = 5,301.03 : x
2. Step 2: Convert to fraction form
   7,188.42/9,919.32 = 5,301.03/x
3. Step 3: Cross multiply
   7,188.42x = 9,919.32 × 5,301.03
4. Step 4: Simplify right side
   7,188.42x = 52,582,612.90
5. Step 5: Solve for x
   x = 52,582,612.90/7,188.42
6. Step 6: Final answer
   x = 7,314.91