Finding the Fourth Proportional to 16,927,986.42, 25,388,584.92 and 8,288,364.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,927,986.42 : 25,388,584.92 = 8,288,364.42 : x
2. Step 2: Convert to fraction form
   16,927,986.42/25,388,584.92 = 8,288,364.42/x
3. Step 3: Cross multiply
   16,927,986.42x = 25,388,584.92 × 8,288,364.42
4. Step 4: Simplify right side
   16,927,986.42x = 210,429,843,925,076.56
5. Step 5: Solve for x
   x = 210,429,843,925,076.56/16,927,986.42
6. Step 6: Final answer
   x = 12,430,884.50