Finding the Fourth Proportional to 21,340,256.22, 32,016,376.71 and 8,569,728.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,340,256.22 : 32,016,376.71 = 8,569,728.18 : x
2. Step 2: Convert to fraction form
   21,340,256.22/32,016,376.71 = 8,569,728.18/x
3. Step 3: Cross multiply
   21,340,256.22x = 32,016,376.71 × 8,569,728.18
4. Step 4: Simplify right side
   21,340,256.22x = 274,371,645,713,182.69
5. Step 5: Solve for x
   x = 274,371,645,713,182.69/21,340,256.22
6. Step 6: Final answer
   x = 12,856,998.66