Finding the Fourth Proportional to 1,435.98, 1,981.26 and 994.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.98 : 1,981.26 = 994.08 : x
2. Step 2: Convert to fraction form
   1,435.98/1,981.26 = 994.08/x
3. Step 3: Cross multiply
   1,435.98x = 1,981.26 × 994.08
4. Step 4: Simplify right side
   1,435.98x = 1,969,530.94
5. Step 5: Solve for x
   x = 1,969,530.94/1,435.98
6. Step 6: Final answer
   x = 1,371.56