Finding the Fourth Proportional to 31,628.56, 43,648.32 and 17,482.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,628.56 : 43,648.32 = 17,482.72 : x
2. Step 2: Convert to fraction form
   31,628.56/43,648.32 = 17,482.72/x
3. Step 3: Cross multiply
   31,628.56x = 43,648.32 × 17,482.72
4. Step 4: Simplify right side
   31,628.56x = 763,091,357.03
5. Step 5: Solve for x
   x = 763,091,357.03/31,628.56
6. Step 6: Final answer
   x = 24,126.66