Finding the Fourth Proportional to 15,986,301.18, 22,061,080.06 and 8,644,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,986,301.18 : 22,061,080.06 = 8,644,116.72 : x
2. Step 2: Convert to fraction form
   15,986,301.18/22,061,080.06 = 8,644,116.72/x
3. Step 3: Cross multiply
   15,986,301.18x = 22,061,080.06 × 8,644,116.72
4. Step 4: Simplify right side
   15,986,301.18x = 190,698,551,007,904.59
5. Step 5: Solve for x
   x = 190,698,551,007,904.59/15,986,301.18
6. Step 6: Final answer
   x = 11,928,872.66