Finding the Fourth Proportional to 1,536.24, 2,120.04 and 873.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,536.24 : 2,120.04 = 873.09 : x
2. Step 2: Convert to fraction form
   1,536.24/2,120.04 = 873.09/x
3. Step 3: Cross multiply
   1,536.24x = 2,120.04 × 873.09
4. Step 4: Simplify right side
   1,536.24x = 1,850,985.72
5. Step 5: Solve for x
   x = 1,850,985.72/1,536.24
6. Step 6: Final answer
   x = 1,204.88