Finding the Fourth Proportional to 1,235.24, 1,852.20 and 541.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,235.24 : 1,852.20 = 541.52 : x
2. Step 2: Convert to fraction form
   1,235.24/1,852.20 = 541.52/x
3. Step 3: Cross multiply
   1,235.24x = 1,852.20 × 541.52
4. Step 4: Simplify right side
   1,235.24x = 1,003,003.34
5. Step 5: Solve for x
   x = 1,003,003.34/1,235.24
6. Step 6: Final answer
   x = 811.99