Finding the Fourth Proportional to 25,916.51, 35,766.59 and 14,587.09

Step by Step Solution

1. Step 1: Write the proportion equation
   25,916.51 : 35,766.59 = 14,587.09 : x
2. Step 2: Convert to fraction form
   25,916.51/35,766.59 = 14,587.09/x
3. Step 3: Cross multiply
   25,916.51x = 35,766.59 × 14,587.09
4. Step 4: Simplify right side
   25,916.51x = 521,730,467.32
5. Step 5: Solve for x
   x = 521,730,467.32/25,916.51
6. Step 6: Final answer
   x = 20,131.20