Finding the Fourth Proportional to 42,375.45, 63,573.87 and 19,568.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,375.45 : 63,573.87 = 19,568.31 : x
2. Step 2: Convert to fraction form
   42,375.45/63,573.87 = 19,568.31/x
3. Step 3: Cross multiply
   42,375.45x = 63,573.87 × 19,568.31
4. Step 4: Simplify right side
   42,375.45x = 1,244,033,196.06
5. Step 5: Solve for x
   x = 1,244,033,196.06/42,375.45
6. Step 6: Final answer
   x = 29,357.40