Finding the Fourth Proportional to 1,553.28, 2,326.23 and 1,307.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553.28 : 2,326.23 = 1,307.82 : x
2. Step 2: Convert to fraction form
   1,553.28/2,326.23 = 1,307.82/x
3. Step 3: Cross multiply
   1,553.28x = 2,326.23 × 1,307.82
4. Step 4: Simplify right side
   1,553.28x = 3,042,290.12
5. Step 5: Solve for x
   x = 3,042,290.12/1,553.28
6. Step 6: Final answer
   x = 1,958.62