Finding the Fourth Proportional to 42,103.36, 63,131.82 and 17,137

Step by Step Solution

1. Step 1: Write the proportion equation
   42,103.36 : 63,131.82 = 17,137 : x
2. Step 2: Convert to fraction form
   42,103.36/63,131.82 = 17,137/x
3. Step 3: Cross multiply
   42,103.36x = 63,131.82 × 17,137
4. Step 4: Simplify right side
   42,103.36x = 1,081,889,999.34
5. Step 5: Solve for x
   x = 1,081,889,999.34/42,103.36
6. Step 6: Final answer
   x = 25,696.05