Finding the Fourth Proportional to 16,292.06, 22,483.78 and 12,749.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,292.06 : 22,483.78 = 12,749.12 : x
2. Step 2: Convert to fraction form
   16,292.06/22,483.78 = 12,749.12/x
3. Step 3: Cross multiply
   16,292.06x = 22,483.78 × 12,749.12
4. Step 4: Simplify right side
   16,292.06x = 286,648,264.98
5. Step 5: Solve for x
   x = 286,648,264.98/16,292.06
6. Step 6: Final answer
   x = 17,594.36