Finding the Fourth Proportional to 1,487.53, 2,052.83 and 824.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,487.53 : 2,052.83 = 824.45 : x
2. Step 2: Convert to fraction form
   1,487.53/2,052.83 = 824.45/x
3. Step 3: Cross multiply
   1,487.53x = 2,052.83 × 824.45
4. Step 4: Simplify right side
   1,487.53x = 1,692,451.57
5. Step 5: Solve for x
   x = 1,692,451.57/1,487.53
6. Step 6: Final answer
   x = 1,137.76