Finding the Fourth Proportional to 1,068,807.38, 1,603,288.83 and 358,829.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,807.38 : 1,603,288.83 = 358,829.42 : x
2. Step 2: Convert to fraction form
   1,068,807.38/1,603,288.83 = 358,829.42/x
3. Step 3: Cross multiply
   1,068,807.38x = 1,603,288.83 × 358,829.42
4. Step 4: Simplify right side
   1,068,807.38x = 575,307,200,961.38
5. Step 5: Solve for x
   x = 575,307,200,961.38/1,068,807.38
6. Step 6: Final answer
   x = 538,270.24