Finding the Fourth Proportional to 1,477,978.65, 2,036,823.57 and 1,069,388.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477,978.65 : 2,036,823.57 = 1,069,388.73 : x
2. Step 2: Convert to fraction form
   1,477,978.65/2,036,823.57 = 1,069,388.73/x
3. Step 3: Cross multiply
   1,477,978.65x = 2,036,823.57 × 1,069,388.73
4. Step 4: Simplify right side
   1,477,978.65x = 2,178,156,170,756.37
5. Step 5: Solve for x
   x = 2,178,156,170,756.37/1,477,978.65
6. Step 6: Final answer
   x = 1,473,739.94