Finding the Fourth Proportional to 31,429.83, 47,134.67 and 10,365.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,429.83 : 47,134.67 = 10,365.14 : x
2. Step 2: Convert to fraction form
   31,429.83/47,134.67 = 10,365.14/x
3. Step 3: Cross multiply
   31,429.83x = 47,134.67 × 10,365.14
4. Step 4: Simplify right side
   31,429.83x = 488,557,597.15
5. Step 5: Solve for x
   x = 488,557,597.15/31,429.83
6. Step 6: Final answer
   x = 15,544.39