Finding the Fourth Proportional to 7,343.03, 10,128.14 and 5,186.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,343.03 : 10,128.14 = 5,186.10 : x
2. Step 2: Convert to fraction form
   7,343.03/10,128.14 = 5,186.10/x
3. Step 3: Cross multiply
   7,343.03x = 10,128.14 × 5,186.10
4. Step 4: Simplify right side
   7,343.03x = 52,525,520.92
5. Step 5: Solve for x
   x = 52,525,520.92/7,343.03
6. Step 6: Final answer
   x = 7,153.12