Finding the Fourth Proportional to 25,665.39, 35,417.12 and 14,336.19

Step by Step Solution

1. Step 1: Write the proportion equation
   25,665.39 : 35,417.12 = 14,336.19 : x
2. Step 2: Convert to fraction form
   25,665.39/35,417.12 = 14,336.19/x
3. Step 3: Cross multiply
   25,665.39x = 35,417.12 × 14,336.19
4. Step 4: Simplify right side
   25,665.39x = 507,746,489.89
5. Step 5: Solve for x
   x = 507,746,489.89/25,665.39
6. Step 6: Final answer
   x = 19,783.31