Finding the Fourth Proportional to 31,186.72, 43,037.67 and 16,846.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,186.72 : 43,037.67 = 16,846.55 : x
2. Step 2: Convert to fraction form
   31,186.72/43,037.67 = 16,846.55/x
3. Step 3: Cross multiply
   31,186.72x = 43,037.67 × 16,846.55
4. Step 4: Simplify right side
   31,186.72x = 725,036,174.15
5. Step 5: Solve for x
   x = 725,036,174.15/31,186.72
6. Step 6: Final answer
   x = 23,248.23