Finding the Fourth Proportional to 2,076.06, 2,864.79 and 1,191.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.06 : 2,864.79 = 1,191.69 : x
2. Step 2: Convert to fraction form
   2,076.06/2,864.79 = 1,191.69/x
3. Step 3: Cross multiply
   2,076.06x = 2,864.79 × 1,191.69
4. Step 4: Simplify right side
   2,076.06x = 3,413,941.60
5. Step 5: Solve for x
   x = 3,413,941.60/2,076.06
6. Step 6: Final answer
   x = 1,644.43