Finding the Fourth Proportional to 1,446.90, 1,996.57 and 1,068.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.90 : 1,996.57 = 1,068.99 : x
2. Step 2: Convert to fraction form
   1,446.90/1,996.57 = 1,068.99/x
3. Step 3: Cross multiply
   1,446.90x = 1,996.57 × 1,068.99
4. Step 4: Simplify right side
   1,446.90x = 2,134,313.36
5. Step 5: Solve for x
   x = 2,134,313.36/1,446.90
6. Step 6: Final answer
   x = 1,475.09