Finding the Fourth Proportional to 12,894.72, 17,803.80 and 10,065.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,894.72 : 17,803.80 = 10,065.24 : x
2. Step 2: Convert to fraction form
   12,894.72/17,803.80 = 10,065.24/x
3. Step 3: Cross multiply
   12,894.72x = 17,803.80 × 10,065.24
4. Step 4: Simplify right side
   12,894.72x = 179,199,519.91
5. Step 5: Solve for x
   x = 179,199,519.91/12,894.72
6. Step 6: Final answer
   x = 13,897.12