Finding the Fourth Proportional to 7,342.50, 10,132.56 and 3,985.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,342.50 : 10,132.56 = 3,985.32 : x
2. Step 2: Convert to fraction form
   7,342.50/10,132.56 = 3,985.32/x
3. Step 3: Cross multiply
   7,342.50x = 10,132.56 × 3,985.32
4. Step 4: Simplify right side
   7,342.50x = 40,381,494.02
5. Step 5: Solve for x
   x = 40,381,494.02/7,342.50
6. Step 6: Final answer
   x = 5,499.69