Finding the Fourth Proportional to 2,177,247.81, 3,004,704.55 and 1,210,394.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177,247.81 : 3,004,704.55 = 1,210,394.25 : x
2. Step 2: Convert to fraction form
   2,177,247.81/3,004,704.55 = 1,210,394.25/x
3. Step 3: Cross multiply
   2,177,247.81x = 3,004,704.55 × 1,210,394.25
4. Step 4: Simplify right side
   2,177,247.81x = 3,636,877,111,781.83
5. Step 5: Solve for x
   x = 3,636,877,111,781.83/2,177,247.81
6. Step 6: Final answer
   x = 1,670,401.09