Finding the Fourth Proportional to 2,250,146.28, 3,105,210.03 and 1,217,653.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250,146.28 : 3,105,210.03 = 1,217,653.97 : x
2. Step 2: Convert to fraction form
   2,250,146.28/3,105,210.03 = 1,217,653.97/x
3. Step 3: Cross multiply
   2,250,146.28x = 3,105,210.03 × 1,217,653.97
4. Step 4: Simplify right side
   2,250,146.28x = 3,781,071,300,621.07
5. Step 5: Solve for x
   x = 3,781,071,300,621.07/2,250,146.28
6. Step 6: Final answer
   x = 1,680,366.88