Finding the Fourth Proportional to 42,568.72, 63,852.96 and 19,167.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,568.72 : 63,852.96 = 19,167.76 : x
2. Step 2: Convert to fraction form
   42,568.72/63,852.96 = 19,167.76/x
3. Step 3: Cross multiply
   42,568.72x = 63,852.96 × 19,167.76
4. Step 4: Simplify right side
   42,568.72x = 1,223,918,212.57
5. Step 5: Solve for x
   x = 1,223,918,212.57/42,568.72
6. Step 6: Final answer
   x = 28,751.59