Finding the Fourth Proportional to 19,002.38, 26,224.90 and 10,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,002.38 : 26,224.90 = 10,620.50 : x
2. Step 2: Convert to fraction form
   19,002.38/26,224.90 = 10,620.50/x
3. Step 3: Cross multiply
   19,002.38x = 26,224.90 × 10,620.50
4. Step 4: Simplify right side
   19,002.38x = 278,521,392.77
5. Step 5: Solve for x
   x = 278,521,392.77/19,002.38
6. Step 6: Final answer
   x = 14,657.19