Finding the Fourth Proportional to 2,072,479.44, 3,109,138.24 and 874,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,479.44 : 3,109,138.24 = 874,404.72 : x
2. Step 2: Convert to fraction form
   2,072,479.44/3,109,138.24 = 874,404.72/x
3. Step 3: Cross multiply
   2,072,479.44x = 3,109,138.24 × 874,404.72
4. Step 4: Simplify right side
   2,072,479.44x = 2,718,645,152,188.49
5. Step 5: Solve for x
   x = 2,718,645,152,188.49/2,072,479.44
6. Step 6: Final answer
   x = 1,311,783.90