Finding the Fourth Proportional to 113,735.04, 156,941.76 and 65,979.12

Step by Step Solution

1. Step 1: Write the proportion equation
   113,735.04 : 156,941.76 = 65,979.12 : x
2. Step 2: Convert to fraction form
   113,735.04/156,941.76 = 65,979.12/x
3. Step 3: Cross multiply
   113,735.04x = 156,941.76 × 65,979.12
4. Step 4: Simplify right side
   113,735.04x = 10,354,879,216.05
5. Step 5: Solve for x
   x = 10,354,879,216.05/113,735.04
6. Step 6: Final answer
   x = 91,043.88