Finding the Fourth Proportional to 7,343.34, 10,120.56 and 5,350.74

Step by Step Solution

1. Step 1: Write the proportion equation
   7,343.34 : 10,120.56 = 5,350.74 : x
2. Step 2: Convert to fraction form
   7,343.34/10,120.56 = 5,350.74/x
3. Step 3: Cross multiply
   7,343.34x = 10,120.56 × 5,350.74
4. Step 4: Simplify right side
   7,343.34x = 54,152,485.21
5. Step 5: Solve for x
   x = 54,152,485.21/7,343.34
6. Step 6: Final answer
   x = 7,374.37