Finding the Fourth Proportional to 1,719.86, 2,585.52 and 1,413.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.86 : 2,585.52 = 1,413.99 : x
2. Step 2: Convert to fraction form
   1,719.86/2,585.52 = 1,413.99/x
3. Step 3: Cross multiply
   1,719.86x = 2,585.52 × 1,413.99
4. Step 4: Simplify right side
   1,719.86x = 3,655,899.42
5. Step 5: Solve for x
   x = 3,655,899.42/1,719.86
6. Step 6: Final answer
   x = 2,125.70