Finding the Fourth Proportional to 16,312.56, 22,510.58 and 9,238.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,312.56 : 22,510.58 = 9,238.82 : x
2. Step 2: Convert to fraction form
   16,312.56/22,510.58 = 9,238.82/x
3. Step 3: Cross multiply
   16,312.56x = 22,510.58 × 9,238.82
4. Step 4: Simplify right side
   16,312.56x = 207,971,196.72
5. Step 5: Solve for x
   x = 207,971,196.72/16,312.56
6. Step 6: Final answer
   x = 12,749.15