Finding the Fourth Proportional to 30,836.63, 42,554.25 and 17,407.60

Step by Step Solution

1. Step 1: Write the proportion equation
   30,836.63 : 42,554.25 = 17,407.60 : x
2. Step 2: Convert to fraction form
   30,836.63/42,554.25 = 17,407.60/x
3. Step 3: Cross multiply
   30,836.63x = 42,554.25 × 17,407.60
4. Step 4: Simplify right side
   30,836.63x = 740,767,255.91
5. Step 5: Solve for x
   x = 740,767,255.91/30,836.63
6. Step 6: Final answer
   x = 24,022.31