Finding the Fourth Proportional to 22,462.53, 30,999.83 and 13,031.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,462.53 : 30,999.83 = 13,031.09 : x
2. Step 2: Convert to fraction form
   22,462.53/30,999.83 = 13,031.09/x
3. Step 3: Cross multiply
   22,462.53x = 30,999.83 × 13,031.09
4. Step 4: Simplify right side
   22,462.53x = 403,961,587.06
5. Step 5: Solve for x
   x = 403,961,587.06/22,462.53
6. Step 6: Final answer
   x = 17,983.80