Finding the Fourth Proportional to 7,031.73, 10,507.31 and 5,356.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,031.73 : 10,507.31 = 5,356.56 : x
2. Step 2: Convert to fraction form
   7,031.73/10,507.31 = 5,356.56/x
3. Step 3: Cross multiply
   7,031.73x = 10,507.31 × 5,356.56
4. Step 4: Simplify right side
   7,031.73x = 56,283,036.45
5. Step 5: Solve for x
   x = 56,283,036.45/7,031.73
6. Step 6: Final answer
   x = 8,004.15