Finding the Fourth Proportional to 113,736.04, 156,943.14 and 65,980.12

Step by Step Solution

1. Step 1: Write the proportion equation
   113,736.04 : 156,943.14 = 65,980.12 : x
2. Step 2: Convert to fraction form
   113,736.04/156,943.14 = 65,980.12/x
3. Step 3: Cross multiply
   113,736.04x = 156,943.14 × 65,980.12
4. Step 4: Simplify right side
   113,736.04x = 10,355,127,210.38
5. Step 5: Solve for x
   x = 10,355,127,210.38/113,736.04
6. Step 6: Final answer
   x = 91,045.26