Finding the Fourth Proportional to 536,105.36, 804,158.52 and 162,128.72

Step by Step Solution

1. Step 1: Write the proportion equation
   536,105.36 : 804,158.52 = 162,128.72 : x
2. Step 2: Convert to fraction form
   536,105.36/804,158.52 = 162,128.72/x
3. Step 3: Cross multiply
   536,105.36x = 804,158.52 × 162,128.72
4. Step 4: Simplify right side
   536,105.36x = 130,377,191,524.69
5. Step 5: Solve for x
   x = 130,377,191,524.69/536,105.36
6. Step 6: Final answer
   x = 243,193.23