Finding the Fourth Proportional to 25,599.16, 35,322.78 and 14,419

Step by Step Solution

1. Step 1: Write the proportion equation
   25,599.16 : 35,322.78 = 14,419 : x
2. Step 2: Convert to fraction form
   25,599.16/35,322.78 = 14,419/x
3. Step 3: Cross multiply
   25,599.16x = 35,322.78 × 14,419
4. Step 4: Simplify right side
   25,599.16x = 509,319,164.82
5. Step 5: Solve for x
   x = 509,319,164.82/25,599.16
6. Step 6: Final answer
   x = 19,895.93