Finding the Fourth Proportional to 42,388.54, 63,603.47 and 17,436.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,388.54 : 63,603.47 = 17,436.08 : x
2. Step 2: Convert to fraction form
   42,388.54/63,603.47 = 17,436.08/x
3. Step 3: Cross multiply
   42,388.54x = 63,603.47 × 17,436.08
4. Step 4: Simplify right side
   42,388.54x = 1,108,995,393.80
5. Step 5: Solve for x
   x = 1,108,995,393.80/42,388.54
6. Step 6: Final answer
   x = 26,162.62