Finding the Fourth Proportional to 2,213,034.72, 3,317,582.71 and 864,890.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213,034.72 : 3,317,582.71 = 864,890.76 : x
2. Step 2: Convert to fraction form
   2,213,034.72/3,317,582.71 = 864,890.76/x
3. Step 3: Cross multiply
   2,213,034.72x = 3,317,582.71 × 864,890.76
4. Step 4: Simplify right side
   2,213,034.72x = 2,869,346,644,936.81
5. Step 5: Solve for x
   x = 2,869,346,644,936.81/2,213,034.72
6. Step 6: Final answer
   x = 1,296,566.49