Finding the Fourth Proportional to 2,776.02, 4,164.24 and 1,316.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.02 : 4,164.24 = 1,316.58 : x
2. Step 2: Convert to fraction form
   2,776.02/4,164.24 = 1,316.58/x
3. Step 3: Cross multiply
   2,776.02x = 4,164.24 × 1,316.58
4. Step 4: Simplify right side
   2,776.02x = 5,482,555.10
5. Step 5: Solve for x
   x = 5,482,555.10/2,776.02
6. Step 6: Final answer
   x = 1,974.97