Finding the Fourth Proportional to 2,577,981.96, 3,866,974.56 and 980,175.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577,981.96 : 3,866,974.56 = 980,175.96 : x
2. Step 2: Convert to fraction form
   2,577,981.96/3,866,974.56 = 980,175.96/x
3. Step 3: Cross multiply
   2,577,981.96x = 3,866,974.56 × 980,175.96
4. Step 4: Simplify right side
   2,577,981.96x = 3,790,315,501,643.58
5. Step 5: Solve for x
   x = 3,790,315,501,643.58/2,577,981.96
6. Step 6: Final answer
   x = 1,470,264.56