Finding the Fourth Proportional to 1,467.99, 2,025.78 and 878.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,467.99 : 2,025.78 = 878.51 : x
2. Step 2: Convert to fraction form
   1,467.99/2,025.78 = 878.51/x
3. Step 3: Cross multiply
   1,467.99x = 2,025.78 × 878.51
4. Step 4: Simplify right side
   1,467.99x = 1,779,657.86
5. Step 5: Solve for x
   x = 1,779,657.86/1,467.99
6. Step 6: Final answer
   x = 1,212.31