Finding the Fourth Proportional to 31,479.93, 47,230.83 and 13,962.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,479.93 : 47,230.83 = 13,962.06 : x
2. Step 2: Convert to fraction form
   31,479.93/47,230.83 = 13,962.06/x
3. Step 3: Cross multiply
   31,479.93x = 47,230.83 × 13,962.06
4. Step 4: Simplify right side
   31,479.93x = 659,439,682.31
5. Step 5: Solve for x
   x = 659,439,682.31/31,479.93
6. Step 6: Final answer
   x = 20,947.94