Finding the Fourth Proportional to 31,427.30, 43,369.83 and 17,281.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,427.30 : 43,369.83 = 17,281.05 : x
2. Step 2: Convert to fraction form
   31,427.30/43,369.83 = 17,281.05/x
3. Step 3: Cross multiply
   31,427.30x = 43,369.83 × 17,281.05
4. Step 4: Simplify right side
   31,427.30x = 749,476,200.72
5. Step 5: Solve for x
   x = 749,476,200.72/31,427.30
6. Step 6: Final answer
   x = 23,847.94