Finding the Fourth Proportional to 7,342.56, 10,132.74 and 3,985.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,342.56 : 10,132.74 = 3,985.37 : x
2. Step 2: Convert to fraction form
   7,342.56/10,132.74 = 3,985.37/x
3. Step 3: Cross multiply
   7,342.56x = 10,132.74 × 3,985.37
4. Step 4: Simplify right side
   7,342.56x = 40,382,782.91
5. Step 5: Solve for x
   x = 40,382,782.91/7,342.56
6. Step 6: Final answer
   x = 5,499.82