Finding the Fourth Proportional to 19,150.32, 28,704.24 and 8,053.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,150.32 : 28,704.24 = 8,053.72 : x
2. Step 2: Convert to fraction form
   19,150.32/28,704.24 = 8,053.72/x
3. Step 3: Cross multiply
   19,150.32x = 28,704.24 × 8,053.72
4. Step 4: Simplify right side
   19,150.32x = 231,175,911.77
5. Step 5: Solve for x
   x = 231,175,911.77/19,150.32
6. Step 6: Final answer
   x = 12,071.65