Finding the Fourth Proportional to 2,240,518.03, 3,361,276.71 and 642,956.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240,518.03 : 3,361,276.71 = 642,956.61 : x
2. Step 2: Convert to fraction form
   2,240,518.03/3,361,276.71 = 642,956.61/x
3. Step 3: Cross multiply
   2,240,518.03x = 3,361,276.71 × 642,956.61
4. Step 4: Simplify right side
   2,240,518.03x = 2,161,155,078,733.55
5. Step 5: Solve for x
   x = 2,161,155,078,733.55/2,240,518.03
6. Step 6: Final answer
   x = 964,578.30