Finding the Fourth Proportional to 2,046.63, 3,066.90 and 1,315.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.63 : 3,066.90 = 1,315.60 : x
2. Step 2: Convert to fraction form
   2,046.63/3,066.90 = 1,315.60/x
3. Step 3: Cross multiply
   2,046.63x = 3,066.90 × 1,315.60
4. Step 4: Simplify right side
   2,046.63x = 4,034,813.64
5. Step 5: Solve for x
   x = 4,034,813.64/2,046.63
6. Step 6: Final answer
   x = 1,971.44