Finding the Fourth Proportional to 2,810.34, 4,213.89 and 1,076.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810.34 : 4,213.89 = 1,076.94 : x
2. Step 2: Convert to fraction form
   2,810.34/4,213.89 = 1,076.94/x
3. Step 3: Cross multiply
   2,810.34x = 4,213.89 × 1,076.94
4. Step 4: Simplify right side
   2,810.34x = 4,538,106.70
5. Step 5: Solve for x
   x = 4,538,106.70/2,810.34
6. Step 6: Final answer
   x = 1,614.79