Finding the Fourth Proportional to 13,774.88, 19,009.49 and 7,487.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,774.88 : 19,009.49 = 7,487.25 : x
2. Step 2: Convert to fraction form
   13,774.88/19,009.49 = 7,487.25/x
3. Step 3: Cross multiply
   13,774.88x = 19,009.49 × 7,487.25
4. Step 4: Simplify right side
   13,774.88x = 142,328,766.57
5. Step 5: Solve for x
   x = 142,328,766.57/13,774.88
6. Step 6: Final answer
   x = 10,332.49