Finding the Fourth Proportional to 113,021.34, 155,969.19 and 65,273.46

Step by Step Solution

1. Step 1: Write the proportion equation
   113,021.34 : 155,969.19 = 65,273.46 : x
2. Step 2: Convert to fraction form
   113,021.34/155,969.19 = 65,273.46/x
3. Step 3: Cross multiply
   113,021.34x = 155,969.19 × 65,273.46
4. Step 4: Simplify right side
   113,021.34x = 10,180,648,684.70
5. Step 5: Solve for x
   x = 10,180,648,684.70/113,021.34
6. Step 6: Final answer
   x = 90,077.23