Finding the Fourth Proportional to 23,931.94, 35,979 and 19,284.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,931.94 : 35,979 = 19,284.58 : x
2. Step 2: Convert to fraction form
   23,931.94/35,979 = 19,284.58/x
3. Step 3: Cross multiply
   23,931.94x = 35,979 × 19,284.58
4. Step 4: Simplify right side
   23,931.94x = 693,839,903.82
5. Step 5: Solve for x
   x = 693,839,903.82/23,931.94
6. Step 6: Final answer
   x = 28,992.21