Finding the Fourth Proportional to 1,333.68, 1,999.17 and 755.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.68 : 1,999.17 = 755.34 : x
2. Step 2: Convert to fraction form
   1,333.68/1,999.17 = 755.34/x
3. Step 3: Cross multiply
   1,333.68x = 1,999.17 × 755.34
4. Step 4: Simplify right side
   1,333.68x = 1,510,053.07
5. Step 5: Solve for x
   x = 1,510,053.07/1,333.68
6. Step 6: Final answer
   x = 1,132.25