Finding the Fourth Proportional to 2,076.60, 2,864.51 and 1,368.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.60 : 2,864.51 = 1,368.56 : x
2. Step 2: Convert to fraction form
   2,076.60/2,864.51 = 1,368.56/x
3. Step 3: Cross multiply
   2,076.60x = 2,864.51 × 1,368.56
4. Step 4: Simplify right side
   2,076.60x = 3,920,266.95
5. Step 5: Solve for x
   x = 3,920,266.95/2,076.60
6. Step 6: Final answer
   x = 1,887.83