Finding the Fourth Proportional to 1,153.94, 1,722.52 and 1,015.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153.94 : 1,722.52 = 1,015.56 : x
2. Step 2: Convert to fraction form
   1,153.94/1,722.52 = 1,015.56/x
3. Step 3: Cross multiply
   1,153.94x = 1,722.52 × 1,015.56
4. Step 4: Simplify right side
   1,153.94x = 1,749,322.41
5. Step 5: Solve for x
   x = 1,749,322.41/1,153.94
6. Step 6: Final answer
   x = 1,515.96