Finding the Fourth Proportional to 1,069,164.89, 1,603,986.68 and 359,173.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,164.89 : 1,603,986.68 = 359,173.56 : x
2. Step 2: Convert to fraction form
   1,069,164.89/1,603,986.68 = 359,173.56/x
3. Step 3: Cross multiply
   1,069,164.89x = 1,603,986.68 × 359,173.56
4. Step 4: Simplify right side
   1,069,164.89x = 576,109,606,946.12
5. Step 5: Solve for x
   x = 576,109,606,946.12/1,069,164.89
6. Step 6: Final answer
   x = 538,840.75