Finding the Fourth Proportional to 31,499.53, 47,258.52 and 9,313.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,499.53 : 47,258.52 = 9,313.48 : x
2. Step 2: Convert to fraction form
   31,499.53/47,258.52 = 9,313.48/x
3. Step 3: Cross multiply
   31,499.53x = 47,258.52 × 9,313.48
4. Step 4: Simplify right side
   31,499.53x = 440,141,281.94
5. Step 5: Solve for x
   x = 440,141,281.94/31,499.53
6. Step 6: Final answer
   x = 13,972.95