Finding the Fourth Proportional to 14,300.42, 19,734.50 and 8,012.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.42 : 19,734.50 = 8,012.78 : x
2. Step 2: Convert to fraction form
   14,300.42/19,734.50 = 8,012.78/x
3. Step 3: Cross multiply
   14,300.42x = 19,734.50 × 8,012.78
4. Step 4: Simplify right side
   14,300.42x = 158,128,206.91
5. Step 5: Solve for x
   x = 158,128,206.91/14,300.42
6. Step 6: Final answer
   x = 11,057.59