Finding the Fourth Proportional to 1,433,287.42, 2,150,242.18 and 435,989.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,287.42 : 2,150,242.18 = 435,989.50 : x
2. Step 2: Convert to fraction form
   1,433,287.42/2,150,242.18 = 435,989.50/x
3. Step 3: Cross multiply
   1,433,287.42x = 2,150,242.18 × 435,989.50
4. Step 4: Simplify right side
   1,433,287.42x = 937,483,012,937.11
5. Step 5: Solve for x
   x = 937,483,012,937.11/1,433,287.42
6. Step 6: Final answer
   x = 654,078.87