Finding the Fourth Proportional to 22,813.98, 31,483.95 and 12,742.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,813.98 : 31,483.95 = 12,742.14 : x
2. Step 2: Convert to fraction form
   22,813.98/31,483.95 = 12,742.14/x
3. Step 3: Cross multiply
   22,813.98x = 31,483.95 × 12,742.14
4. Step 4: Simplify right side
   22,813.98x = 401,172,898.65
5. Step 5: Solve for x
   x = 401,172,898.65/22,813.98
6. Step 6: Final answer
   x = 17,584.52