Finding the Fourth Proportional to 2,227,215.02, 3,073,564.78 and 1,208,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,215.02 : 3,073,564.78 = 1,208,619.50 : x
2. Step 2: Convert to fraction form
   2,227,215.02/3,073,564.78 = 1,208,619.50/x
3. Step 3: Cross multiply
   2,227,215.02x = 3,073,564.78 × 1,208,619.50
4. Step 4: Simplify right side
   2,227,215.02x = 3,714,770,309,231.84
5. Step 5: Solve for x
   x = 3,714,770,309,231.84/2,227,215.02
6. Step 6: Final answer
   x = 1,667,899.28