Finding the Fourth Proportional to 42,097.05, 63,145.57 and 12,514.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,097.05 : 63,145.57 = 12,514.83 : x
2. Step 2: Convert to fraction form
   42,097.05/63,145.57 = 12,514.83/x
3. Step 3: Cross multiply
   42,097.05x = 63,145.57 × 12,514.83
4. Step 4: Simplify right side
   42,097.05x = 790,256,073.80
5. Step 5: Solve for x
   x = 790,256,073.80/42,097.05
6. Step 6: Final answer
   x = 18,772.24