Finding the Fourth Proportional to 15,986,300.18, 22,061,078.69 and 8,644,115.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,986,300.18 : 22,061,078.69 = 8,644,115.72 : x
2. Step 2: Convert to fraction form
   15,986,300.18/22,061,078.69 = 8,644,115.72/x
3. Step 3: Cross multiply
   15,986,300.18x = 22,061,078.69 × 8,644,115.72
4. Step 4: Simplify right side
   15,986,300.18x = 190,698,517,116,318.12
5. Step 5: Solve for x
   x = 190,698,517,116,318.12/15,986,300.18
6. Step 6: Final answer
   x = 11,928,871.29