Finding the Fourth Proportional to 10,282.83, 15,417.72 and 8,723.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,282.83 : 15,417.72 = 8,723.37 : x
2. Step 2: Convert to fraction form
   10,282.83/15,417.72 = 8,723.37/x
3. Step 3: Cross multiply
   10,282.83x = 15,417.72 × 8,723.37
4. Step 4: Simplify right side
   10,282.83x = 134,494,476.12
5. Step 5: Solve for x
   x = 134,494,476.12/10,282.83
6. Step 6: Final answer
   x = 13,079.52