Finding the Fourth Proportional to 1,150,513.50, 1,587,762.70 and 641,219.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,513.50 : 1,587,762.70 = 641,219.52 : x
2. Step 2: Convert to fraction form
   1,150,513.50/1,587,762.70 = 641,219.52/x
3. Step 3: Cross multiply
   1,150,513.50x = 1,587,762.70 × 641,219.52
4. Step 4: Simplify right side
   1,150,513.50x = 1,018,104,436,367.90
5. Step 5: Solve for x
   x = 1,018,104,436,367.90/1,150,513.50
6. Step 6: Final answer
   x = 884,913.07