Finding the Fourth Proportional to 7,343.74, 10,131.59 and 5,434.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,343.74 : 10,131.59 = 5,434.12 : x
2. Step 2: Convert to fraction form
   7,343.74/10,131.59 = 5,434.12/x
3. Step 3: Cross multiply
   7,343.74x = 10,131.59 × 5,434.12
4. Step 4: Simplify right side
   7,343.74x = 55,056,275.85
5. Step 5: Solve for x
   x = 55,056,275.85/7,343.74
6. Step 6: Final answer
   x = 7,497.04