Finding the Fourth Proportional to 3,039,865.28, 4,194,782.72 and 1,681,709.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,039,865.28 : 4,194,782.72 = 1,681,709.12 : x
2. Step 2: Convert to fraction form
   3,039,865.28/4,194,782.72 = 1,681,709.12/x
3. Step 3: Cross multiply
   3,039,865.28x = 4,194,782.72 × 1,681,709.12
4. Step 4: Simplify right side
   3,039,865.28x = 7,054,404,356,642.41
5. Step 5: Solve for x
   x = 7,054,404,356,642.41/3,039,865.28
6. Step 6: Final answer
   x = 2,320,630.59