Finding the Fourth Proportional to 31,066.56, 46,591.20 and 13,544.64

Step by Step Solution

1. Step 1: Write the proportion equation
   31,066.56 : 46,591.20 = 13,544.64 : x
2. Step 2: Convert to fraction form
   31,066.56/46,591.20 = 13,544.64/x
3. Step 3: Cross multiply
   31,066.56x = 46,591.20 × 13,544.64
4. Step 4: Simplify right side
   31,066.56x = 631,061,031.17
5. Step 5: Solve for x
   x = 631,061,031.17/31,066.56
6. Step 6: Final answer
   x = 20,313.19