Finding the Fourth Proportional to 35,144.28, 52,713.72 and 12,953.52

Step by Step Solution

1. Step 1: Write the proportion equation
   35,144.28 : 52,713.72 = 12,953.52 : x
2. Step 2: Convert to fraction form
   35,144.28/52,713.72 = 12,953.52/x
3. Step 3: Cross multiply
   35,144.28x = 52,713.72 × 12,953.52
4. Step 4: Simplify right side
   35,144.28x = 682,828,226.29
5. Step 5: Solve for x
   x = 682,828,226.29/35,144.28
6. Step 6: Final answer
   x = 19,429.28