Finding the Fourth Proportional to 1,413.82, 2,112.10 and 1,125.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.82 : 2,112.10 = 1,125.58 : x
2. Step 2: Convert to fraction form
   1,413.82/2,112.10 = 1,125.58/x
3. Step 3: Cross multiply
   1,413.82x = 2,112.10 × 1,125.58
4. Step 4: Simplify right side
   1,413.82x = 2,377,337.52
5. Step 5: Solve for x
   x = 2,377,337.52/1,413.82
6. Step 6: Final answer
   x = 1,681.50