Finding the Fourth Proportional to 31,164.42, 46,757.52 and 13,635.57

Step by Step Solution

1. Step 1: Write the proportion equation
   31,164.42 : 46,757.52 = 13,635.57 : x
2. Step 2: Convert to fraction form
   31,164.42/46,757.52 = 13,635.57/x
3. Step 3: Cross multiply
   31,164.42x = 46,757.52 × 13,635.57
4. Step 4: Simplify right side
   31,164.42x = 637,565,436.99
5. Step 5: Solve for x
   x = 637,565,436.99/31,164.42
6. Step 6: Final answer
   x = 20,458.12