Finding the Fourth Proportional to 2,072.50, 2,859.41 and 1,176.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.50 : 2,859.41 = 1,176.09 : x
2. Step 2: Convert to fraction form
   2,072.50/2,859.41 = 1,176.09/x
3. Step 3: Cross multiply
   2,072.50x = 2,859.41 × 1,176.09
4. Step 4: Simplify right side
   2,072.50x = 3,362,917.63
5. Step 5: Solve for x
   x = 3,362,917.63/2,072.50
6. Step 6: Final answer
   x = 1,622.64