Finding the Fourth Proportional to 1,799.86, 2,483.79 and 1,054.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799.86 : 2,483.79 = 1,054.21 : x
2. Step 2: Convert to fraction form
   1,799.86/2,483.79 = 1,054.21/x
3. Step 3: Cross multiply
   1,799.86x = 2,483.79 × 1,054.21
4. Step 4: Simplify right side
   1,799.86x = 2,618,426.09
5. Step 5: Solve for x
   x = 2,618,426.09/1,799.86
6. Step 6: Final answer
   x = 1,454.79