Finding the Fourth Proportional to 31,780.98, 47,664.72 and 12,052.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,780.98 : 47,664.72 = 12,052.62 : x
2. Step 2: Convert to fraction form
   31,780.98/47,664.72 = 12,052.62/x
3. Step 3: Cross multiply
   31,780.98x = 47,664.72 × 12,052.62
4. Step 4: Simplify right side
   31,780.98x = 574,484,757.57
5. Step 5: Solve for x
   x = 574,484,757.57/31,780.98
6. Step 6: Final answer
   x = 18,076.37