Finding the Fourth Proportional to 1,595,288.31, 2,201,504.72 and 870,151.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,595,288.31 : 2,201,504.72 = 870,151.60 : x
2. Step 2: Convert to fraction form
   1,595,288.31/2,201,504.72 = 870,151.60/x
3. Step 3: Cross multiply
   1,595,288.31x = 2,201,504.72 × 870,151.60
4. Step 4: Simplify right side
   1,595,288.31x = 1,915,642,856,091.84
5. Step 5: Solve for x
   x = 1,915,642,856,091.84/1,595,288.31
6. Step 6: Final answer
   x = 1,200,812.94