Finding the Fourth Proportional to 1,019,104.47, 1,528,804.33 and 379,355.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,104.47 : 1,528,804.33 = 379,355.03 : x
2. Step 2: Convert to fraction form
   1,019,104.47/1,528,804.33 = 379,355.03/x
3. Step 3: Cross multiply
   1,019,104.47x = 1,528,804.33 × 379,355.03
4. Step 4: Simplify right side
   1,019,104.47x = 579,959,609,611.89
5. Step 5: Solve for x
   x = 579,959,609,611.89/1,019,104.47
6. Step 6: Final answer
   x = 569,087.49