Finding the Fourth Proportional to 17,916.89, 24,750.59 and 14,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,916.89 : 24,750.59 = 14,355.50 : x
2. Step 2: Convert to fraction form
   17,916.89/24,750.59 = 14,355.50/x
3. Step 3: Cross multiply
   17,916.89x = 24,750.59 × 14,355.50
4. Step 4: Simplify right side
   17,916.89x = 355,307,094.75
5. Step 5: Solve for x
   x = 355,307,094.75/17,916.89
6. Step 6: Final answer
   x = 19,830.85