Finding the Fourth Proportional to 10,534.55, 15,804.18 and 3,960.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,534.55 : 15,804.18 = 3,960.79 : x
2. Step 2: Convert to fraction form
   10,534.55/15,804.18 = 3,960.79/x
3. Step 3: Cross multiply
   10,534.55x = 15,804.18 × 3,960.79
4. Step 4: Simplify right side
   10,534.55x = 62,597,038.10
5. Step 5: Solve for x
   x = 62,597,038.10/10,534.55
6. Step 6: Final answer
   x = 5,942.07