Finding the Fourth Proportional to 21,265,042.50, 29,345,906.27 and 12,097,685.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,265,042.50 : 29,345,906.27 = 12,097,685.25 : x
2. Step 2: Convert to fraction form
   21,265,042.50/29,345,906.27 = 12,097,685.25/x
3. Step 3: Cross multiply
   21,265,042.50x = 29,345,906.27 × 12,097,685.25
4. Step 4: Simplify right side
   21,265,042.50x = 355,017,537,460,705.75
5. Step 5: Solve for x
   x = 355,017,537,460,705.75/21,265,042.50
6. Step 6: Final answer
   x = 16,694,889.63