Finding the Fourth Proportional to 2,144,583.60, 3,217,498.01 and 864,530.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,583.60 : 3,217,498.01 = 864,530.47 : x
2. Step 2: Convert to fraction form
   2,144,583.60/3,217,498.01 = 864,530.47/x
3. Step 3: Cross multiply
   2,144,583.60x = 3,217,498.01 × 864,530.47
4. Step 4: Simplify right side
   2,144,583.60x = 2,781,625,066,809.36
5. Step 5: Solve for x
   x = 2,781,625,066,809.36/2,144,583.60
6. Step 6: Final answer
   x = 1,297,046.69