Finding the Fourth Proportional to 17,688.07, 24,409.59 and 9,730.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,688.07 : 24,409.59 = 9,730.80 : x
2. Step 2: Convert to fraction form
   17,688.07/24,409.59 = 9,730.80/x
3. Step 3: Cross multiply
   17,688.07x = 24,409.59 × 9,730.80
4. Step 4: Simplify right side
   17,688.07x = 237,524,838.37
5. Step 5: Solve for x
   x = 237,524,838.37/17,688.07
6. Step 6: Final answer
   x = 13,428.53