Finding the Fourth Proportional to 2,066.96, 3,099.72 and 1,140.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.96 : 3,099.72 = 1,140.32 : x
2. Step 2: Convert to fraction form
   2,066.96/3,099.72 = 1,140.32/x
3. Step 3: Cross multiply
   2,066.96x = 3,099.72 × 1,140.32
4. Step 4: Simplify right side
   2,066.96x = 3,534,672.71
5. Step 5: Solve for x
   x = 3,534,672.71/2,066.96
6. Step 6: Final answer
   x = 1,710.08