Finding the Fourth Proportional to 1,402.98, 1,935.50 and 983.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.98 : 1,935.50 = 983.18 : x
2. Step 2: Convert to fraction form
   1,402.98/1,935.50 = 983.18/x
3. Step 3: Cross multiply
   1,402.98x = 1,935.50 × 983.18
4. Step 4: Simplify right side
   1,402.98x = 1,902,943.45
5. Step 5: Solve for x
   x = 1,902,943.45/1,402.98
6. Step 6: Final answer
   x = 1,356.36