Finding the Fourth Proportional to 51,588.34, 71,204.56 and 31,456.30

Step by Step Solution

1. Step 1: Write the proportion equation
   51,588.34 : 71,204.56 = 31,456.30 : x
2. Step 2: Convert to fraction form
   51,588.34/71,204.56 = 31,456.30/x
3. Step 3: Cross multiply
   51,588.34x = 71,204.56 × 31,456.30
4. Step 4: Simplify right side
   51,588.34x = 2,239,832,000.73
5. Step 5: Solve for x
   x = 2,239,832,000.73/51,588.34
6. Step 6: Final answer
   x = 43,417.41