Finding the Fourth Proportional to 31,185, 46,744.82 and 14,531.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,185 : 46,744.82 = 14,531.30 : x
2. Step 2: Convert to fraction form
   31,185/46,744.82 = 14,531.30/x
3. Step 3: Cross multiply
   31,185x = 46,744.82 × 14,531.30
4. Step 4: Simplify right side
   31,185x = 679,263,002.87
5. Step 5: Solve for x
   x = 679,263,002.87/31,185
6. Step 6: Final answer
   x = 21,781.72