Finding the Fourth Proportional to 146,353.50, 201,968.64 and 79,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,353.50 : 201,968.64 = 79,285.50 : x
2. Step 2: Convert to fraction form
   146,353.50/201,968.64 = 79,285.50/x
3. Step 3: Cross multiply
   146,353.50x = 201,968.64 × 79,285.50
4. Step 4: Simplify right side
   146,353.50x = 16,013,184,606.72
5. Step 5: Solve for x
   x = 16,013,184,606.72/146,353.50
6. Step 6: Final answer
   x = 109,414.43