Finding the Fourth Proportional to 1,686.69, 2,326.73 and 1,097.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686.69 : 2,326.73 = 1,097.01 : x
2. Step 2: Convert to fraction form
   1,686.69/2,326.73 = 1,097.01/x
3. Step 3: Cross multiply
   1,686.69x = 2,326.73 × 1,097.01
4. Step 4: Simplify right side
   1,686.69x = 2,552,440.59
5. Step 5: Solve for x
   x = 2,552,440.59/1,686.69
6. Step 6: Final answer
   x = 1,513.28