Finding the Fourth Proportional to 16,146.84, 22,290.30 and 10,845.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146.84 : 22,290.30 = 10,845.48 : x
2. Step 2: Convert to fraction form
   16,146.84/22,290.30 = 10,845.48/x
3. Step 3: Cross multiply
   16,146.84x = 22,290.30 × 10,845.48
4. Step 4: Simplify right side
   16,146.84x = 241,749,002.84
5. Step 5: Solve for x
   x = 241,749,002.84/16,146.84
6. Step 6: Final answer
   x = 14,971.91