Finding the Fourth Proportional to 2,585,390.32, 3,870,794.40 and 1,368,210

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,390.32 : 3,870,794.40 = 1,368,210 : x
2. Step 2: Convert to fraction form
   2,585,390.32/3,870,794.40 = 1,368,210/x
3. Step 3: Cross multiply
   2,585,390.32x = 3,870,794.40 × 1,368,210
4. Step 4: Simplify right side
   2,585,390.32x = 5,296,059,606,024
5. Step 5: Solve for x
   x = 5,296,059,606,024/2,585,390.32
6. Step 6: Final answer
   x = 2,048,456.50