Finding the Fourth Proportional to 42,485.94, 63,736.56 and 17,512.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,485.94 : 63,736.56 = 17,512.10 : x
2. Step 2: Convert to fraction form
   42,485.94/63,736.56 = 17,512.10/x
3. Step 3: Cross multiply
   42,485.94x = 63,736.56 × 17,512.10
4. Step 4: Simplify right side
   42,485.94x = 1,116,161,012.38
5. Step 5: Solve for x
   x = 1,116,161,012.38/42,485.94
6. Step 6: Final answer
   x = 26,271.30