Finding the Fourth Proportional to 19,255.10, 26,557.82 and 12,174.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,255.10 : 26,557.82 = 12,174.69 : x
2. Step 2: Convert to fraction form
   19,255.10/26,557.82 = 12,174.69/x
3. Step 3: Cross multiply
   19,255.10x = 26,557.82 × 12,174.69
4. Step 4: Simplify right side
   19,255.10x = 323,333,225.58
5. Step 5: Solve for x
   x = 323,333,225.58/19,255.10
6. Step 6: Final answer
   x = 16,792.08