Finding the Fourth Proportional to 31,573.20, 43,570.81 and 17,426.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,573.20 : 43,570.81 = 17,426.05 : x
2. Step 2: Convert to fraction form
   31,573.20/43,570.81 = 17,426.05/x
3. Step 3: Cross multiply
   31,573.20x = 43,570.81 × 17,426.05
4. Step 4: Simplify right side
   31,573.20x = 759,266,928.43
5. Step 5: Solve for x
   x = 759,266,928.43/31,573.20
6. Step 6: Final answer
   x = 24,047.83