Finding the Fourth Proportional to 12,822.72, 17,703.39 and 9,832.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,822.72 : 17,703.39 = 9,832.83 : x
2. Step 2: Convert to fraction form
   12,822.72/17,703.39 = 9,832.83/x
3. Step 3: Cross multiply
   12,822.72x = 17,703.39 × 9,832.83
4. Step 4: Simplify right side
   12,822.72x = 174,074,424.29
5. Step 5: Solve for x
   x = 174,074,424.29/12,822.72
6. Step 6: Final answer
   x = 13,575.47