Finding the Fourth Proportional to 2,250,144.77, 3,105,175.68 and 1,217,629.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250,144.77 : 3,105,175.68 = 1,217,629.89 : x
2. Step 2: Convert to fraction form
   2,250,144.77/3,105,175.68 = 1,217,629.89/x
3. Step 3: Cross multiply
   2,250,144.77x = 3,105,175.68 × 1,217,629.89
4. Step 4: Simplify right side
   2,250,144.77x = 3,780,954,721,669.08
5. Step 5: Solve for x
   x = 3,780,954,721,669.08/2,250,144.77
6. Step 6: Final answer
   x = 1,680,316.21