Finding the Fourth Proportional to 31,456.71, 47,175.80 and 9,269.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,456.71 : 47,175.80 = 9,269.60 : x
2. Step 2: Convert to fraction form
   31,456.71/47,175.80 = 9,269.60/x
3. Step 3: Cross multiply
   31,456.71x = 47,175.80 × 9,269.60
4. Step 4: Simplify right side
   31,456.71x = 437,300,513.45
5. Step 5: Solve for x
   x = 437,300,513.45/31,456.71
6. Step 6: Final answer
   x = 13,901.66