Finding the Fourth Proportional to 2,710.72, 4,063.29 and 1,066.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.72 : 4,063.29 = 1,066.60 : x
2. Step 2: Convert to fraction form
   2,710.72/4,063.29 = 1,066.60/x
3. Step 3: Cross multiply
   2,710.72x = 4,063.29 × 1,066.60
4. Step 4: Simplify right side
   2,710.72x = 4,333,905.11
5. Step 5: Solve for x
   x = 4,333,905.11/2,710.72
6. Step 6: Final answer
   x = 1,598.80