Finding the Fourth Proportional to 17,846.40, 24,628.24 and 9,888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,846.40 : 24,628.24 = 9,888.72 : x
2. Step 2: Convert to fraction form
   17,846.40/24,628.24 = 9,888.72/x
3. Step 3: Cross multiply
   17,846.40x = 24,628.24 × 9,888.72
4. Step 4: Simplify right side
   17,846.40x = 243,541,769.45
5. Step 5: Solve for x
   x = 243,541,769.45/17,846.40
6. Step 6: Final answer
   x = 13,646.55