Finding the Fourth Proportional to 1,131,074.33, 1,562,468.61 and 1,028,919.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,074.33 : 1,562,468.61 = 1,028,919.56 : x
2. Step 2: Convert to fraction form
   1,131,074.33/1,562,468.61 = 1,028,919.56/x
3. Step 3: Cross multiply
   1,131,074.33x = 1,562,468.61 × 1,028,919.56
4. Step 4: Simplify right side
   1,131,074.33x = 1,607,654,506,902.67
5. Step 5: Solve for x
   x = 1,607,654,506,902.67/1,131,074.33
6. Step 6: Final answer
   x = 1,421,351.78