Finding the Fourth Proportional to 2,250,664.46, 3,105,916.72 and 1,218,172.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250,664.46 : 3,105,916.72 = 1,218,172.06 : x
2. Step 2: Convert to fraction form
   2,250,664.46/3,105,916.72 = 1,218,172.06/x
3. Step 3: Cross multiply
   2,250,664.46x = 3,105,916.72 × 1,218,172.06
4. Step 4: Simplify right side
   2,250,664.46x = 3,783,540,969,827.81
5. Step 5: Solve for x
   x = 3,783,540,969,827.81/2,250,664.46
6. Step 6: Final answer
   x = 1,681,077.31