Finding the Fourth Proportional to 16,139,621.98, 22,272,008.16 and 8,797,293.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139,621.98 : 22,272,008.16 = 8,797,293.55 : x
2. Step 2: Convert to fraction form
   16,139,621.98/22,272,008.16 = 8,797,293.55/x
3. Step 3: Cross multiply
   16,139,621.98x = 22,272,008.16 × 8,797,293.55
4. Step 4: Simplify right side
   16,139,621.98x = 195,933,393,731,515.38
5. Step 5: Solve for x
   x = 195,933,393,731,515.38/16,139,621.98
6. Step 6: Final answer
   x = 12,139,899.81