Finding the Fourth Proportional to 13,017.52, 19,527.59 and 3,657.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017.52 : 19,527.59 = 3,657.56 : x
2. Step 2: Convert to fraction form
   13,017.52/19,527.59 = 3,657.56/x
3. Step 3: Cross multiply
   13,017.52x = 19,527.59 × 3,657.56
4. Step 4: Simplify right side
   13,017.52x = 71,423,332.08
5. Step 5: Solve for x
   x = 71,423,332.08/13,017.52
6. Step 6: Final answer
   x = 5,486.71