Finding the Fourth Proportional to 31,561.40, 47,334.80 and 9,369.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,561.40 : 47,334.80 = 9,369.42 : x
2. Step 2: Convert to fraction form
   31,561.40/47,334.80 = 9,369.42/x
3. Step 3: Cross multiply
   31,561.40x = 47,334.80 × 9,369.42
4. Step 4: Simplify right side
   31,561.40x = 443,499,621.82
5. Step 5: Solve for x
   x = 443,499,621.82/31,561.40
6. Step 6: Final answer
   x = 14,051.96