Finding the Fourth Proportional to 31,499.42, 43,467.60 and 17,351.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,499.42 : 43,467.60 = 17,351.96 : x
2. Step 2: Convert to fraction form
   31,499.42/43,467.60 = 17,351.96/x
3. Step 3: Cross multiply
   31,499.42x = 43,467.60 × 17,351.96
4. Step 4: Simplify right side
   31,499.42x = 754,248,056.50
5. Step 5: Solve for x
   x = 754,248,056.50/31,499.42
6. Step 6: Final answer
   x = 23,944.82