Finding the Fourth Proportional to 31,754.28, 43,820.50 and 17,607.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,754.28 : 43,820.50 = 17,607.40 : x
2. Step 2: Convert to fraction form
   31,754.28/43,820.50 = 17,607.40/x
3. Step 3: Cross multiply
   31,754.28x = 43,820.50 × 17,607.40
4. Step 4: Simplify right side
   31,754.28x = 771,565,071.70
5. Step 5: Solve for x
   x = 771,565,071.70/31,754.28
6. Step 6: Final answer
   x = 24,297.99