Finding the Fourth Proportional to 17,980.38, 24,790.86 and 14,782.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,980.38 : 24,790.86 = 14,782.50 : x
2. Step 2: Convert to fraction form
   17,980.38/24,790.86 = 14,782.50/x
3. Step 3: Cross multiply
   17,980.38x = 24,790.86 × 14,782.50
4. Step 4: Simplify right side
   17,980.38x = 366,470,887.95
5. Step 5: Solve for x
   x = 366,470,887.95/17,980.38
6. Step 6: Final answer
   x = 20,381.71