Finding the Fourth Proportional to 146,242.48, 201,813.72 and 79,174

Step by Step Solution

1. Step 1: Write the proportion equation
   146,242.48 : 201,813.72 = 79,174 : x
2. Step 2: Convert to fraction form
   146,242.48/201,813.72 = 79,174/x
3. Step 3: Cross multiply
   146,242.48x = 201,813.72 × 79,174
4. Step 4: Simplify right side
   146,242.48x = 15,978,399,467.28
5. Step 5: Solve for x
   x = 15,978,399,467.28/146,242.48
6. Step 6: Final answer
   x = 109,259.63