Finding the Fourth Proportional to 31,801, 47,675.42 and 14,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,801 : 47,675.42 = 14,019.06 : x
2. Step 2: Convert to fraction form
   31,801/47,675.42 = 14,019.06/x
3. Step 3: Cross multiply
   31,801x = 47,675.42 × 14,019.06
4. Step 4: Simplify right side
   31,801x = 668,364,573.51
5. Step 5: Solve for x
   x = 668,364,573.51/31,801
6. Step 6: Final answer
   x = 21,017.09