Finding the Fourth Proportional to 17,715.37, 24,432.66 and 12,929.93

Step by Step Solution

1. Step 1: Write the proportion equation
   17,715.37 : 24,432.66 = 12,929.93 : x
2. Step 2: Convert to fraction form
   17,715.37/24,432.66 = 12,929.93/x
3. Step 3: Cross multiply
   17,715.37x = 24,432.66 × 12,929.93
4. Step 4: Simplify right side
   17,715.37x = 315,912,583.51
5. Step 5: Solve for x
   x = 315,912,583.51/17,715.37
6. Step 6: Final answer
   x = 17,832.69