Finding the Fourth Proportional to 2,177,357.86, 3,004,583.61 and 1,210,429.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177,357.86 : 3,004,583.61 = 1,210,429.18 : x
2. Step 2: Convert to fraction form
   2,177,357.86/3,004,583.61 = 1,210,429.18/x
3. Step 3: Cross multiply
   2,177,357.86x = 3,004,583.61 × 1,210,429.18
4. Step 4: Simplify right side
   2,177,357.86x = 3,636,835,675,293.74
5. Step 5: Solve for x
   x = 3,636,835,675,293.74/2,177,357.86
6. Step 6: Final answer
   x = 1,670,297.63