Finding the Fourth Proportional to 31,238.34, 43,109.82 and 17,091.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,238.34 : 43,109.82 = 17,091.96 : x
2. Step 2: Convert to fraction form
   31,238.34/43,109.82 = 17,091.96/x
3. Step 3: Cross multiply
   31,238.34x = 43,109.82 × 17,091.96
4. Step 4: Simplify right side
   31,238.34x = 736,831,319.05
5. Step 5: Solve for x
   x = 736,831,319.05/31,238.34
6. Step 6: Final answer
   x = 23,587.40