Finding the Fourth Proportional to 104,713.82, 144,440.27 and 91,317.23

Step by Step Solution

1. Step 1: Write the proportion equation
   104,713.82 : 144,440.27 = 91,317.23 : x
2. Step 2: Convert to fraction form
   104,713.82/144,440.27 = 91,317.23/x
3. Step 3: Cross multiply
   104,713.82x = 144,440.27 × 91,317.23
4. Step 4: Simplify right side
   104,713.82x = 13,189,884,178.06
5. Step 5: Solve for x
   x = 13,189,884,178.06/104,713.82
6. Step 6: Final answer
   x = 125,961.26