Finding the Fourth Proportional to 2,250,215.83, 3,105,275.90 and 1,217,701.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250,215.83 : 3,105,275.90 = 1,217,701.54 : x
2. Step 2: Convert to fraction form
   2,250,215.83/3,105,275.90 = 1,217,701.54/x
3. Step 3: Cross multiply
   2,250,215.83x = 3,105,275.90 × 1,217,701.54
4. Step 4: Simplify right side
   2,250,215.83x = 3,781,299,245,554.89
5. Step 5: Solve for x
   x = 3,781,299,245,554.89/2,250,215.83
6. Step 6: Final answer
   x = 1,680,416.25