Finding the Fourth Proportional to 117,846.48, 162,581.67 and 87,294

Step by Step Solution

1. Step 1: Write the proportion equation
   117,846.48 : 162,581.67 = 87,294 : x
2. Step 2: Convert to fraction form
   117,846.48/162,581.67 = 87,294/x
3. Step 3: Cross multiply
   117,846.48x = 162,581.67 × 87,294
4. Step 4: Simplify right side
   117,846.48x = 14,192,404,300.98
5. Step 5: Solve for x
   x = 14,192,404,300.98/117,846.48
6. Step 6: Final answer
   x = 120,431.30