Finding the Fourth Proportional to 22,218,710.88, 30,660,373.46 and 12,427,456.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,218,710.88 : 30,660,373.46 = 12,427,456.80 : x
2. Step 2: Convert to fraction form
   22,218,710.88/30,660,373.46 = 12,427,456.80/x
3. Step 3: Cross multiply
   22,218,710.88x = 30,660,373.46 × 12,427,456.80
4. Step 4: Simplify right side
   22,218,710.88x = 381,030,466,646,016.56
5. Step 5: Solve for x
   x = 381,030,466,646,016.56/22,218,710.88
6. Step 6: Final answer
   x = 17,149,080.73