Finding the Fourth Proportional to 1,513.36, 2,267.47 and 926.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.36 : 2,267.47 = 926.59 : x
2. Step 2: Convert to fraction form
   1,513.36/2,267.47 = 926.59/x
3. Step 3: Cross multiply
   1,513.36x = 2,267.47 × 926.59
4. Step 4: Simplify right side
   1,513.36x = 2,101,012.16
5. Step 5: Solve for x
   x = 2,101,012.16/1,513.36
6. Step 6: Final answer
   x = 1,388.31