Finding the Fourth Proportional to 31,264.72, 43,145.44 and 17,118.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,264.72 : 43,145.44 = 17,118.88 : x
2. Step 2: Convert to fraction form
   31,264.72/43,145.44 = 17,118.88/x
3. Step 3: Cross multiply
   31,264.72x = 43,145.44 × 17,118.88
4. Step 4: Simplify right side
   31,264.72x = 738,601,609.91
5. Step 5: Solve for x
   x = 738,601,609.91/31,264.72
6. Step 6: Final answer
   x = 23,624.12