Finding the Fourth Proportional to 1,468.61, 2,026.69 and 879.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.61 : 2,026.69 = 879.15 : x
2. Step 2: Convert to fraction form
   1,468.61/2,026.69 = 879.15/x
3. Step 3: Cross multiply
   1,468.61x = 2,026.69 × 879.15
4. Step 4: Simplify right side
   1,468.61x = 1,781,764.51
5. Step 5: Solve for x
   x = 1,781,764.51/1,468.61
6. Step 6: Final answer
   x = 1,213.23