Finding the Fourth Proportional to 148,142.72, 204,431.68 and 84,500.96

Step by Step Solution

1. Step 1: Write the proportion equation
   148,142.72 : 204,431.68 = 84,500.96 : x
2. Step 2: Convert to fraction form
   148,142.72/204,431.68 = 84,500.96/x
3. Step 3: Cross multiply
   148,142.72x = 204,431.68 × 84,500.96
4. Step 4: Simplify right side
   148,142.72x = 17,274,673,214.41
5. Step 5: Solve for x
   x = 17,274,673,214.41/148,142.72
6. Step 6: Final answer
   x = 116,608.32