Finding the Fourth Proportional to 31,973.47, 47,964.59 and 10,907.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,973.47 : 47,964.59 = 10,907.86 : x
2. Step 2: Convert to fraction form
   31,973.47/47,964.59 = 10,907.86/x
3. Step 3: Cross multiply
   31,973.47x = 47,964.59 × 10,907.86
4. Step 4: Simplify right side
   31,973.47x = 523,190,858.23
5. Step 5: Solve for x
   x = 523,190,858.23/31,973.47
6. Step 6: Final answer
   x = 16,363.28