Finding the Fourth Proportional to 2,330.82, 3,216.54 and 1,282.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,330.82 : 3,216.54 = 1,282.90 : x
2. Step 2: Convert to fraction form
   2,330.82/3,216.54 = 1,282.90/x
3. Step 3: Cross multiply
   2,330.82x = 3,216.54 × 1,282.90
4. Step 4: Simplify right side
   2,330.82x = 4,126,499.17
5. Step 5: Solve for x
   x = 4,126,499.17/2,330.82
6. Step 6: Final answer
   x = 1,770.41