Finding the Fourth Proportional to 31,657.57, 43,684.72 and 17,506.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,657.57 : 43,684.72 = 17,506.87 : x
2. Step 2: Convert to fraction form
   31,657.57/43,684.72 = 17,506.87/x
3. Step 3: Cross multiply
   31,657.57x = 43,684.72 × 17,506.87
4. Step 4: Simplify right side
   31,657.57x = 764,782,714.03
5. Step 5: Solve for x
   x = 764,782,714.03/31,657.57
6. Step 6: Final answer
   x = 24,157.97