Finding the Fourth Proportional to 2,228,678.94, 3,075,589.23 and 1,210,083.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228,678.94 : 3,075,589.23 = 1,210,083.72 : x
2. Step 2: Convert to fraction form
   2,228,678.94/3,075,589.23 = 1,210,083.72/x
3. Step 3: Cross multiply
   2,228,678.94x = 3,075,589.23 × 1,210,083.72
4. Step 4: Simplify right side
   2,228,678.94x = 3,721,720,456,630.34
5. Step 5: Solve for x
   x = 3,721,720,456,630.34/2,228,678.94
6. Step 6: Final answer
   x = 1,669,922.21