Finding the Fourth Proportional to 1,878.30, 2,820.15 and 1,467.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.30 : 2,820.15 = 1,467.90 : x
2. Step 2: Convert to fraction form
   1,878.30/2,820.15 = 1,467.90/x
3. Step 3: Cross multiply
   1,878.30x = 2,820.15 × 1,467.90
4. Step 4: Simplify right side
   1,878.30x = 4,139,698.19
5. Step 5: Solve for x
   x = 4,139,698.19/1,878.30
6. Step 6: Final answer
   x = 2,203.96