Finding the Fourth Proportional to 17,733.60, 24,477.48 and 12,429.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,733.60 : 24,477.48 = 12,429.72 : x
2. Step 2: Convert to fraction form
   17,733.60/24,477.48 = 12,429.72/x
3. Step 3: Cross multiply
   17,733.60x = 24,477.48 × 12,429.72
4. Step 4: Simplify right side
   17,733.60x = 304,248,222.71
5. Step 5: Solve for x
   x = 304,248,222.71/17,733.60
6. Step 6: Final answer
   x = 17,156.60