Finding the Fourth Proportional to 12,079,927.56, 18,122,729.53 and 3,992,903.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,079,927.56 : 18,122,729.53 = 3,992,903.46 : x
2. Step 2: Convert to fraction form
   12,079,927.56/18,122,729.53 = 3,992,903.46/x
3. Step 3: Cross multiply
   12,079,927.56x = 18,122,729.53 × 3,992,903.46
4. Step 4: Simplify right side
   12,079,927.56x = 72,362,309,456,631.02
5. Step 5: Solve for x
   x = 72,362,309,456,631.02/12,079,927.56
6. Step 6: Final answer
   x = 5,990,293.33