Finding the Fourth Proportional to 3,560,196.54, 5,340,221.06 and 864,535.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,560,196.54 : 5,340,221.06 = 864,535.88 : x
2. Step 2: Convert to fraction form
   3,560,196.54/5,340,221.06 = 864,535.88/x
3. Step 3: Cross multiply
   3,560,196.54x = 5,340,221.06 × 864,535.88
4. Step 4: Simplify right side
   3,560,196.54x = 4,616,812,722,529.51
5. Step 5: Solve for x
   x = 4,616,812,722,529.51/3,560,196.54
6. Step 6: Final answer
   x = 1,296,785.91