Finding the Fourth Proportional to 25,235.89, 37,810.78 and 17,826.09

Step by Step Solution

1. Step 1: Write the proportion equation
   25,235.89 : 37,810.78 = 17,826.09 : x
2. Step 2: Convert to fraction form
   25,235.89/37,810.78 = 17,826.09/x
3. Step 3: Cross multiply
   25,235.89x = 37,810.78 × 17,826.09
4. Step 4: Simplify right side
   25,235.89x = 674,018,367.25
5. Step 5: Solve for x
   x = 674,018,367.25/25,235.89
6. Step 6: Final answer
   x = 26,708.72