Finding the Fourth Proportional to 13,708.72, 20,463.83 and 12,047.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,708.72 : 20,463.83 = 12,047.98 : x
2. Step 2: Convert to fraction form
   13,708.72/20,463.83 = 12,047.98/x
3. Step 3: Cross multiply
   13,708.72x = 20,463.83 × 12,047.98
4. Step 4: Simplify right side
   13,708.72x = 246,547,814.56
5. Step 5: Solve for x
   x = 246,547,814.56/13,708.72
6. Step 6: Final answer
   x = 17,984.74