Finding the Fourth Proportional to 1,877.21, 2,587.79 and 1,477.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877.21 : 2,587.79 = 1,477.59 : x
2. Step 2: Convert to fraction form
   1,877.21/2,587.79 = 1,477.59/x
3. Step 3: Cross multiply
   1,877.21x = 2,587.79 × 1,477.59
4. Step 4: Simplify right side
   1,877.21x = 3,823,705.43
5. Step 5: Solve for x
   x = 3,823,705.43/1,877.21
6. Step 6: Final answer
   x = 2,036.91