Finding the Fourth Proportional to 112,709.82, 168,824.96 and 91,550.46

Step by Step Solution

1. Step 1: Write the proportion equation
   112,709.82 : 168,824.96 = 91,550.46 : x
2. Step 2: Convert to fraction form
   112,709.82/168,824.96 = 91,550.46/x
3. Step 3: Cross multiply
   112,709.82x = 168,824.96 × 91,550.46
4. Step 4: Simplify right side
   112,709.82x = 15,456,002,747.48
5. Step 5: Solve for x
   x = 15,456,002,747.48/112,709.82
6. Step 6: Final answer
   x = 137,130.93