Finding the Fourth Proportional to 908,271.54, 1,253,413.89 and 526,519.62

Step by Step Solution

1. Step 1: Write the proportion equation
   908,271.54 : 1,253,413.89 = 526,519.62 : x
2. Step 2: Convert to fraction form
   908,271.54/1,253,413.89 = 526,519.62/x
3. Step 3: Cross multiply
   908,271.54x = 1,253,413.89 × 526,519.62
4. Step 4: Simplify right side
   908,271.54x = 659,947,005,065.52
5. Step 5: Solve for x
   x = 659,947,005,065.52/908,271.54
6. Step 6: Final answer
   x = 726,596.59