Finding the Fourth Proportional to 31,576.99, 43,575.42 and 17,429.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,576.99 : 43,575.42 = 17,429.53 : x
2. Step 2: Convert to fraction form
   31,576.99/43,575.42 = 17,429.53/x
3. Step 3: Cross multiply
   31,576.99x = 43,575.42 × 17,429.53
4. Step 4: Simplify right side
   31,576.99x = 759,499,090.15
5. Step 5: Solve for x
   x = 759,499,090.15/31,576.99
6. Step 6: Final answer
   x = 24,052.30