Finding the Fourth Proportional to 1,513,399.53, 2,269,416.15 and 433,665.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,399.53 : 2,269,416.15 = 433,665.12 : x
2. Step 2: Convert to fraction form
   1,513,399.53/2,269,416.15 = 433,665.12/x
3. Step 3: Cross multiply
   1,513,399.53x = 2,269,416.15 × 433,665.12
4. Step 4: Simplify right side
   1,513,399.53x = 984,166,627,019.69
5. Step 5: Solve for x
   x = 984,166,627,019.69/1,513,399.53
6. Step 6: Final answer
   x = 650,301.92