Finding the Fourth Proportional to 1,245,453.27, 1,718,684.83 and 786,812.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,245,453.27 : 1,718,684.83 = 786,812.03 : x
2. Step 2: Convert to fraction form
   1,245,453.27/1,718,684.83 = 786,812.03/x
3. Step 3: Cross multiply
   1,245,453.27x = 1,718,684.83 × 786,812.03
4. Step 4: Simplify right side
   1,245,453.27x = 1,352,281,900,022.51
5. Step 5: Solve for x
   x = 1,352,281,900,022.51/1,245,453.27
6. Step 6: Final answer
   x = 1,085,774.90