Finding the Fourth Proportional to 3,389.45, 5,084.72 and 1,048.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.45 : 5,084.72 = 1,048.91 : x
2. Step 2: Convert to fraction form
   3,389.45/5,084.72 = 1,048.91/x
3. Step 3: Cross multiply
   3,389.45x = 5,084.72 × 1,048.91
4. Step 4: Simplify right side
   3,389.45x = 5,333,413.66
5. Step 5: Solve for x
   x = 5,333,413.66/3,389.45
6. Step 6: Final answer
   x = 1,573.53