Finding the Fourth Proportional to 2,245.46, 3,368.56 and 1,012.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.46 : 3,368.56 = 1,012.84 : x
2. Step 2: Convert to fraction form
   2,245.46/3,368.56 = 1,012.84/x
3. Step 3: Cross multiply
   2,245.46x = 3,368.56 × 1,012.84
4. Step 4: Simplify right side
   2,245.46x = 3,411,795.47
5. Step 5: Solve for x
   x = 3,411,795.47/2,245.46
6. Step 6: Final answer
   x = 1,519.42