Finding the Fourth Proportional to 31,564.47, 47,354.00 and 9,377.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,564.47 : 47,354.00 = 9,377.36 : x
2. Step 2: Convert to fraction form
   31,564.47/47,354.00 = 9,377.36/x
3. Step 3: Cross multiply
   31,564.47x = 47,354.00 × 9,377.36
4. Step 4: Simplify right side
   31,564.47x = 444,055,221.78
5. Step 5: Solve for x
   x = 444,055,221.78/31,564.47
6. Step 6: Final answer
   x = 14,068.20