Finding the Fourth Proportional to 1,491.78, 2,059.52 and 996.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491.78 : 2,059.52 = 996.06 : x
2. Step 2: Convert to fraction form
   1,491.78/2,059.52 = 996.06/x
3. Step 3: Cross multiply
   1,491.78x = 2,059.52 × 996.06
4. Step 4: Simplify right side
   1,491.78x = 2,051,400.51
5. Step 5: Solve for x
   x = 2,051,400.51/1,491.78
6. Step 6: Final answer
   x = 1,375.14