Finding the Fourth Proportional to 1,719,111.70, 2,578,667.55 and 868,806.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719,111.70 : 2,578,667.55 = 868,806.10 : x
2. Step 2: Convert to fraction form
   1,719,111.70/2,578,667.55 = 868,806.10/x
3. Step 3: Cross multiply
   1,719,111.70x = 2,578,667.55 × 868,806.10
4. Step 4: Simplify right side
   1,719,111.70x = 2,240,362,097,312.05
5. Step 5: Solve for x
   x = 2,240,362,097,312.05/1,719,111.70
6. Step 6: Final answer
   x = 1,303,209.15