Finding the Fourth Proportional to 1,150,449.48, 1,587,674.52 and 641,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,449.48 : 1,587,674.52 = 641,155.50 : x
2. Step 2: Convert to fraction form
   1,150,449.48/1,587,674.52 = 641,155.50/x
3. Step 3: Cross multiply
   1,150,449.48x = 1,587,674.52 × 641,155.50
4. Step 4: Simplify right side
   1,150,449.48x = 1,017,946,250,707.86
5. Step 5: Solve for x
   x = 1,017,946,250,707.86/1,150,449.48
6. Step 6: Final answer
   x = 884,824.82