Finding the Fourth Proportional to 2,180,294.72, 3,008,806.71 and 1,213,653.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,294.72 : 3,008,806.71 = 1,213,653.36 : x
2. Step 2: Convert to fraction form
   2,180,294.72/3,008,806.71 = 1,213,653.36/x
3. Step 3: Cross multiply
   2,180,294.72x = 3,008,806.71 × 1,213,653.36
4. Step 4: Simplify right side
   2,180,294.72x = 3,651,648,369,816.13
5. Step 5: Solve for x
   x = 3,651,648,369,816.13/2,180,294.72
6. Step 6: Final answer
   x = 1,674,841.63