Finding the Fourth Proportional to 18,156.04, 25,056.42 and 10,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   18,156.04 : 25,056.42 = 10,196.96 : x
2. Step 2: Convert to fraction form
   18,156.04/25,056.42 = 10,196.96/x
3. Step 3: Cross multiply
   18,156.04x = 25,056.42 × 10,196.96
4. Step 4: Simplify right side
   18,156.04x = 255,499,312.48
5. Step 5: Solve for x
   x = 255,499,312.48/18,156.04
6. Step 6: Final answer
   x = 14,072.41