Finding the Fourth Proportional to 10,845.46, 16,237.20 and 10,156.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,845.46 : 16,237.20 = 10,156.56 : x
2. Step 2: Convert to fraction form
   10,845.46/16,237.20 = 10,156.56/x
3. Step 3: Cross multiply
   10,845.46x = 16,237.20 × 10,156.56
4. Step 4: Simplify right side
   10,845.46x = 164,914,096.03
5. Step 5: Solve for x
   x = 164,914,096.03/10,845.46
6. Step 6: Final answer
   x = 15,205.82