Finding the Fourth Proportional to 71,289, 98,375.46 and 39,022.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,289 : 98,375.46 = 39,022.98 : x
2. Step 2: Convert to fraction form
   71,289/98,375.46 = 39,022.98/x
3. Step 3: Cross multiply
   71,289x = 98,375.46 × 39,022.98
4. Step 4: Simplify right side
   71,289x = 3,838,903,608.07
5. Step 5: Solve for x
   x = 3,838,903,608.07/71,289
6. Step 6: Final answer
   x = 53,849.87