Finding the Fourth Proportional to 2,188,441.06, 3,019,516.78 and 1,282,848.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,441.06 : 3,019,516.78 = 1,282,848.10 : x
2. Step 2: Convert to fraction form
   2,188,441.06/3,019,516.78 = 1,282,848.10/x
3. Step 3: Cross multiply
   2,188,441.06x = 3,019,516.78 × 1,282,848.10
4. Step 4: Simplify right side
   2,188,441.06x = 3,873,581,342,629.29
5. Step 5: Solve for x
   x = 3,873,581,342,629.29/2,188,441.06
6. Step 6: Final answer
   x = 1,770,018.59