Finding the Fourth Proportional to 1,333.50, 1,992.16 and 1,114.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.50 : 1,992.16 = 1,114.80 : x
2. Step 2: Convert to fraction form
   1,333.50/1,992.16 = 1,114.80/x
3. Step 3: Cross multiply
   1,333.50x = 1,992.16 × 1,114.80
4. Step 4: Simplify right side
   1,333.50x = 2,220,857.18
5. Step 5: Solve for x
   x = 2,220,857.18/1,333.50
6. Step 6: Final answer
   x = 1,665.43