Finding the Fourth Proportional to 1,687.52, 2,328.59 and 941.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687.52 : 2,328.59 = 941.51 : x
2. Step 2: Convert to fraction form
   1,687.52/2,328.59 = 941.51/x
3. Step 3: Cross multiply
   1,687.52x = 2,328.59 × 941.51
4. Step 4: Simplify right side
   1,687.52x = 2,192,374.42
5. Step 5: Solve for x
   x = 2,192,374.42/1,687.52
6. Step 6: Final answer
   x = 1,299.17