Finding the Fourth Proportional to 16,685,559.91, 23,028,405.43 and 12,054,328.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,685,559.91 : 23,028,405.43 = 12,054,328.61 : x
2. Step 2: Convert to fraction form
   16,685,559.91/23,028,405.43 = 12,054,328.61/x
3. Step 3: Cross multiply
   16,685,559.91x = 23,028,405.43 × 12,054,328.61
4. Step 4: Simplify right side
   16,685,559.91x = 277,591,966,444,963.53
5. Step 5: Solve for x
   x = 277,591,966,444,963.53/16,685,559.91
6. Step 6: Final answer
   x = 16,636,658.76