Finding the Fourth Proportional to 1,333.68, 1,995.60 and 1,301.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.68 : 1,995.60 = 1,301.28 : x
2. Step 2: Convert to fraction form
   1,333.68/1,995.60 = 1,301.28/x
3. Step 3: Cross multiply
   1,333.68x = 1,995.60 × 1,301.28
4. Step 4: Simplify right side
   1,333.68x = 2,596,834.37
5. Step 5: Solve for x
   x = 2,596,834.37/1,333.68
6. Step 6: Final answer
   x = 1,947.12