Finding the Fourth Proportional to 1,487.15, 2,052.24 and 824.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,487.15 : 2,052.24 = 824.00 : x
2. Step 2: Convert to fraction form
   1,487.15/2,052.24 = 824.00/x
3. Step 3: Cross multiply
   1,487.15x = 2,052.24 × 824.00
4. Step 4: Simplify right side
   1,487.15x = 1,691,035.50
5. Step 5: Solve for x
   x = 1,691,035.50/1,487.15
6. Step 6: Final answer
   x = 1,137.10