Finding the Fourth Proportional to 1,370,399.83, 2,054,767.35 and 686,491.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,370,399.83 : 2,054,767.35 = 686,491.32 : x
2. Step 2: Convert to fraction form
   1,370,399.83/2,054,767.35 = 686,491.32/x
3. Step 3: Cross multiply
   1,370,399.83x = 2,054,767.35 × 686,491.32
4. Step 4: Simplify right side
   1,370,399.83x = 1,410,579,945,263.37
5. Step 5: Solve for x
   x = 1,410,579,945,263.37/1,370,399.83
6. Step 6: Final answer
   x = 1,029,319.99