Finding the Fourth Proportional to 22,116.51, 30,521.34 and 12,045.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,116.51 : 30,521.34 = 12,045.51 : x
2. Step 2: Convert to fraction form
   22,116.51/30,521.34 = 12,045.51/x
3. Step 3: Cross multiply
   22,116.51x = 30,521.34 × 12,045.51
4. Step 4: Simplify right side
   22,116.51x = 367,644,953.58
5. Step 5: Solve for x
   x = 367,644,953.58/22,116.51
6. Step 6: Final answer
   x = 16,623.10