Finding the Fourth Proportional to 71,047.73, 106,532.42 and 28,917

Step by Step Solution

1. Step 1: Write the proportion equation
   71,047.73 : 106,532.42 = 28,917 : x
2. Step 2: Convert to fraction form
   71,047.73/106,532.42 = 28,917/x
3. Step 3: Cross multiply
   71,047.73x = 106,532.42 × 28,917
4. Step 4: Simplify right side
   71,047.73x = 3,080,597,844.56
5. Step 5: Solve for x
   x = 3,080,597,844.56/71,047.73
6. Step 6: Final answer
   x = 43,359.55