Finding the Fourth Proportional to 2,522.51, 3,783.78 and 879.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.51 : 3,783.78 = 879.06 : x
2. Step 2: Convert to fraction form
   2,522.51/3,783.78 = 879.06/x
3. Step 3: Cross multiply
   2,522.51x = 3,783.78 × 879.06
4. Step 4: Simplify right side
   2,522.51x = 3,326,155.46
5. Step 5: Solve for x
   x = 3,326,155.46/2,522.51
6. Step 6: Final answer
   x = 1,318.59