Finding the Fourth Proportional to 31,321.39, 43,226.22 and 17,176.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,321.39 : 43,226.22 = 17,176.96 : x
2. Step 2: Convert to fraction form
   31,321.39/43,226.22 = 17,176.96/x
3. Step 3: Cross multiply
   31,321.39x = 43,226.22 × 17,176.96
4. Step 4: Simplify right side
   31,321.39x = 742,495,051.89
5. Step 5: Solve for x
   x = 742,495,051.89/31,321.39
6. Step 6: Final answer
   x = 23,705.69