Finding the Fourth Proportional to 31,189.42, 43,037.41 and 17,758.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,189.42 : 43,037.41 = 17,758.81 : x
2. Step 2: Convert to fraction form
   31,189.42/43,037.41 = 17,758.81/x
3. Step 3: Cross multiply
   31,189.42x = 43,037.41 × 17,758.81
4. Step 4: Simplify right side
   31,189.42x = 764,292,883.10
5. Step 5: Solve for x
   x = 764,292,883.10/31,189.42
6. Step 6: Final answer
   x = 24,504.88