Finding the Fourth Proportional to 22,486,083.32, 31,030,805.38 and 12,172,806.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,486,083.32 : 31,030,805.38 = 12,172,806.42 : x
2. Step 2: Convert to fraction form
   22,486,083.32/31,030,805.38 = 12,172,806.42/x
3. Step 3: Cross multiply
   22,486,083.32x = 31,030,805.38 × 12,172,806.42
4. Step 4: Simplify right side
   22,486,083.32x = 377,731,986,947,434.50
5. Step 5: Solve for x
   x = 377,731,986,947,434.50/22,486,083.32
6. Step 6: Final answer
   x = 16,798,478.49