Finding the Fourth Proportional to 1,410.85, 2,116.87 and 760.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.85 : 2,116.87 = 760.82 : x
2. Step 2: Convert to fraction form
   1,410.85/2,116.87 = 760.82/x
3. Step 3: Cross multiply
   1,410.85x = 2,116.87 × 760.82
4. Step 4: Simplify right side
   1,410.85x = 1,610,557.03
5. Step 5: Solve for x
   x = 1,610,557.03/1,410.85
6. Step 6: Final answer
   x = 1,141.55