Finding the Fourth Proportional to 33,147, 45,654.12 and 28,670.94

Step by Step Solution

1. Step 1: Write the proportion equation
   33,147 : 45,654.12 = 28,670.94 : x
2. Step 2: Convert to fraction form
   33,147/45,654.12 = 28,670.94/x
3. Step 3: Cross multiply
   33,147x = 45,654.12 × 28,670.94
4. Step 4: Simplify right side
   33,147x = 1,308,946,535.27
5. Step 5: Solve for x
   x = 1,308,946,535.27/33,147
6. Step 6: Final answer
   x = 39,489.14