Finding the Fourth Proportional to 2,692,003.31, 4,038,786.81 and 870,329.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692,003.31 : 4,038,786.81 = 870,329.36 : x
2. Step 2: Convert to fraction form
   2,692,003.31/4,038,786.81 = 870,329.36/x
3. Step 3: Cross multiply
   2,692,003.31x = 4,038,786.81 × 870,329.36
4. Step 4: Simplify right side
   2,692,003.31x = 3,515,074,719,329.81
5. Step 5: Solve for x
   x = 3,515,074,719,329.81/2,692,003.31
6. Step 6: Final answer
   x = 1,305,746.80