Finding the Fourth Proportional to 2,870,307.72, 4,305,618.72 and 1,164,197.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,307.72 : 4,305,618.72 = 1,164,197.70 : x
2. Step 2: Convert to fraction form
   2,870,307.72/4,305,618.72 = 1,164,197.70/x
3. Step 3: Cross multiply
   2,870,307.72x = 4,305,618.72 × 1,164,197.70
4. Step 4: Simplify right side
   2,870,307.72x = 5,012,591,410,900.94
5. Step 5: Solve for x
   x = 5,012,591,410,900.94/2,870,307.72
6. Step 6: Final answer
   x = 1,746,360.29