Finding the Fourth Proportional to 25,109.50, 34,649.61 and 14,355.53

Step by Step Solution

1. Step 1: Write the proportion equation
   25,109.50 : 34,649.61 = 14,355.53 : x
2. Step 2: Convert to fraction form
   25,109.50/34,649.61 = 14,355.53/x
3. Step 3: Cross multiply
   25,109.50x = 34,649.61 × 14,355.53
4. Step 4: Simplify right side
   25,109.50x = 497,413,515.84
5. Step 5: Solve for x
   x = 497,413,515.84/25,109.50
6. Step 6: Final answer
   x = 19,809.78