Finding the Fourth Proportional to 2,194,573.72, 3,028,369.52 and 1,227,538.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194,573.72 : 3,028,369.52 = 1,227,538.20 : x
2. Step 2: Convert to fraction form
   2,194,573.72/3,028,369.52 = 1,227,538.20/x
3. Step 3: Cross multiply
   2,194,573.72x = 3,028,369.52 × 1,227,538.20
4. Step 4: Simplify right side
   2,194,573.72x = 3,717,439,269,515.66
5. Step 5: Solve for x
   x = 3,717,439,269,515.66/2,194,573.72
6. Step 6: Final answer
   x = 1,693,923.17