Finding the Fourth Proportional to 16,220,978.67, 22,385,519.91 and 8,878,817.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,220,978.67 : 22,385,519.91 = 8,878,817.82 : x
2. Step 2: Convert to fraction form
   16,220,978.67/22,385,519.91 = 8,878,817.82/x
3. Step 3: Cross multiply
   16,220,978.67x = 22,385,519.91 × 8,878,817.82
4. Step 4: Simplify right side
   16,220,978.67x = 198,756,953,086,872.81
5. Step 5: Solve for x
   x = 198,756,953,086,872.81/16,220,978.67
6. Step 6: Final answer
   x = 12,253,080.23