Finding the Fourth Proportional to 7,343.78, 10,134.42 and 4,157.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,343.78 : 10,134.42 = 4,157.01 : x
2. Step 2: Convert to fraction form
   7,343.78/10,134.42 = 4,157.01/x
3. Step 3: Cross multiply
   7,343.78x = 10,134.42 × 4,157.01
4. Step 4: Simplify right side
   7,343.78x = 42,128,885.28
5. Step 5: Solve for x
   x = 42,128,885.28/7,343.78
6. Step 6: Final answer
   x = 5,736.68