Finding the Fourth Proportional to 1,536.38, 2,120.38 and 873.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,536.38 : 2,120.38 = 873.33 : x
2. Step 2: Convert to fraction form
   1,536.38/2,120.38 = 873.33/x
3. Step 3: Cross multiply
   1,536.38x = 2,120.38 × 873.33
4. Step 4: Simplify right side
   1,536.38x = 1,851,782.15
5. Step 5: Solve for x
   x = 1,851,782.15/1,536.38
6. Step 6: Final answer
   x = 1,205.29