Finding the Fourth Proportional to 113,105.03, 156,049.93 and 65,340.95

Step by Step Solution

1. Step 1: Write the proportion equation
   113,105.03 : 156,049.93 = 65,340.95 : x
2. Step 2: Convert to fraction form
   113,105.03/156,049.93 = 65,340.95/x
3. Step 3: Cross multiply
   113,105.03x = 156,049.93 × 65,340.95
4. Step 4: Simplify right side
   113,105.03x = 10,196,450,673.63
5. Step 5: Solve for x
   x = 10,196,450,673.63/113,105.03
6. Step 6: Final answer
   x = 90,150.28