Finding the Fourth Proportional to 1,945,564.32, 2,684,601.12 and 1,086,105.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945,564.32 : 2,684,601.12 = 1,086,105.72 : x
2. Step 2: Convert to fraction form
   1,945,564.32/2,684,601.12 = 1,086,105.72/x
3. Step 3: Cross multiply
   1,945,564.32x = 2,684,601.12 × 1,086,105.72
4. Step 4: Simplify right side
   1,945,564.32x = 2,915,760,632,350.41
5. Step 5: Solve for x
   x = 2,915,760,632,350.41/1,945,564.32
6. Step 6: Final answer
   x = 1,498,670.90