Finding the Fourth Proportional to 25,106.19, 37,619.31 and 13,259.52

Step by Step Solution

1. Step 1: Write the proportion equation
   25,106.19 : 37,619.31 = 13,259.52 : x
2. Step 2: Convert to fraction form
   25,106.19/37,619.31 = 13,259.52/x
3. Step 3: Cross multiply
   25,106.19x = 37,619.31 × 13,259.52
4. Step 4: Simplify right side
   25,106.19x = 498,813,993.33
5. Step 5: Solve for x
   x = 498,813,993.33/25,106.19
6. Step 6: Final answer
   x = 19,868.17