Finding the Fourth Proportional to 21,806,106.69, 30,092,626.26 and 12,016,902.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,806,106.69 : 30,092,626.26 = 12,016,902.12 : x
2. Step 2: Convert to fraction form
   21,806,106.69/30,092,626.26 = 12,016,902.12/x
3. Step 3: Cross multiply
   21,806,106.69x = 30,092,626.26 × 12,016,902.12
4. Step 4: Simplify right side
   21,806,106.69x = 361,620,144,300,161.69
5. Step 5: Solve for x
   x = 361,620,144,300,161.69/21,806,106.69
6. Step 6: Final answer
   x = 16,583,434.61