Finding the Fourth Proportional to 13,036.33, 19,557.50 and 5,540.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,036.33 : 19,557.50 = 5,540.12 : x
2. Step 2: Convert to fraction form
   13,036.33/19,557.50 = 5,540.12/x
3. Step 3: Cross multiply
   13,036.33x = 19,557.50 × 5,540.12
4. Step 4: Simplify right side
   13,036.33x = 108,350,844.75
5. Step 5: Solve for x
   x = 108,350,844.75/13,036.33
6. Step 6: Final answer
   x = 8,311.45