Finding the Fourth Proportional to 1,152,606.69, 1,728,885.86 and 384,160.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,606.69 : 1,728,885.86 = 384,160.03 : x
2. Step 2: Convert to fraction form
   1,152,606.69/1,728,885.86 = 384,160.03/x
3. Step 3: Cross multiply
   1,152,606.69x = 1,728,885.86 × 384,160.03
4. Step 4: Simplify right side
   1,152,606.69x = 664,168,843,844.18
5. Step 5: Solve for x
   x = 664,168,843,844.18/1,152,606.69
6. Step 6: Final answer
   x = 576,231.99