Finding the Fourth Proportional to 1,531.52, 2,113.52 and 941.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531.52 : 2,113.52 = 941.72 : x
2. Step 2: Convert to fraction form
   1,531.52/2,113.52 = 941.72/x
3. Step 3: Cross multiply
   1,531.52x = 2,113.52 × 941.72
4. Step 4: Simplify right side
   1,531.52x = 1,990,344.05
5. Step 5: Solve for x
   x = 1,990,344.05/1,531.52
6. Step 6: Final answer
   x = 1,299.59