Finding the Fourth Proportional to 1,413.32, 2,118.12 and 1,267.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.32 : 2,118.12 = 1,267.52 : x
2. Step 2: Convert to fraction form
   1,413.32/2,118.12 = 1,267.52/x
3. Step 3: Cross multiply
   1,413.32x = 2,118.12 × 1,267.52
4. Step 4: Simplify right side
   1,413.32x = 2,684,759.46
5. Step 5: Solve for x
   x = 2,684,759.46/1,413.32
6. Step 6: Final answer
   x = 1,899.61