Finding the Fourth Proportional to 13,017.68, 19,527.31 and 3,658.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017.68 : 19,527.31 = 3,658.47 : x
2. Step 2: Convert to fraction form
   13,017.68/19,527.31 = 3,658.47/x
3. Step 3: Cross multiply
   13,017.68x = 19,527.31 × 3,658.47
4. Step 4: Simplify right side
   13,017.68x = 71,440,009.16
5. Step 5: Solve for x
   x = 71,440,009.16/13,017.68
6. Step 6: Final answer
   x = 5,487.92