Finding the Fourth Proportional to 21,550,411.96, 29,740,264.23 and 12,257,743.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,550,411.96 : 29,740,264.23 = 12,257,743.27 : x
2. Step 2: Convert to fraction form
   21,550,411.96/29,740,264.23 = 12,257,743.27/x
3. Step 3: Cross multiply
   21,550,411.96x = 29,740,264.23 × 12,257,743.27
4. Step 4: Simplify right side
   21,550,411.96x = 364,548,523,713,304.25
5. Step 5: Solve for x
   x = 364,548,523,713,304.25/21,550,411.96
6. Step 6: Final answer
   x = 16,916,081.44