Finding the Fourth Proportional to 31,632.22, 47,446.71 and 9,445.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,632.22 : 47,446.71 = 9,445.78 : x
2. Step 2: Convert to fraction form
   31,632.22/47,446.71 = 9,445.78/x
3. Step 3: Cross multiply
   31,632.22x = 47,446.71 × 9,445.78
4. Step 4: Simplify right side
   31,632.22x = 448,171,184.38
5. Step 5: Solve for x
   x = 448,171,184.38/31,632.22
6. Step 6: Final answer
   x = 14,168.19