Finding the Fourth Proportional to 2,859,647.06, 4,290,059.46 and 837,956.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,859,647.06 : 4,290,059.46 = 837,956.72 : x
2. Step 2: Convert to fraction form
   2,859,647.06/4,290,059.46 = 837,956.72/x
3. Step 3: Cross multiply
   2,859,647.06x = 4,290,059.46 × 837,956.72
4. Step 4: Simplify right side
   2,859,647.06x = 3,594,884,153,706.57
5. Step 5: Solve for x
   x = 3,594,884,153,706.57/2,859,647.06
6. Step 6: Final answer
   x = 1,257,107.64