Finding the Fourth Proportional to 42,456, 63,711.36 and 17,832

Step by Step Solution

1. Step 1: Write the proportion equation
   42,456 : 63,711.36 = 17,832 : x
2. Step 2: Convert to fraction form
   42,456/63,711.36 = 17,832/x
3. Step 3: Cross multiply
   42,456x = 63,711.36 × 17,832
4. Step 4: Simplify right side
   42,456x = 1,136,100,971.52
5. Step 5: Solve for x
   x = 1,136,100,971.52/42,456
6. Step 6: Final answer
   x = 26,759.49