Finding the Fourth Proportional to 31,867.59, 43,978.35 and 17,528.03

Step by Step Solution

1. Step 1: Write the proportion equation
   31,867.59 : 43,978.35 = 17,528.03 : x
2. Step 2: Convert to fraction form
   31,867.59/43,978.35 = 17,528.03/x
3. Step 3: Cross multiply
   31,867.59x = 43,978.35 × 17,528.03
4. Step 4: Simplify right side
   31,867.59x = 770,853,848.91
5. Step 5: Solve for x
   x = 770,853,848.91/31,867.59
6. Step 6: Final answer
   x = 24,189.27