Finding the Fourth Proportional to 116,843.52, 161,055.15 and 91,305.51

Step by Step Solution

1. Step 1: Write the proportion equation
   116,843.52 : 161,055.15 = 91,305.51 : x
2. Step 2: Convert to fraction form
   116,843.52/161,055.15 = 91,305.51/x
3. Step 3: Cross multiply
   116,843.52x = 161,055.15 × 91,305.51
4. Step 4: Simplify right side
   116,843.52x = 14,705,222,608.88
5. Step 5: Solve for x
   x = 14,705,222,608.88/116,843.52
6. Step 6: Final answer
   x = 125,853.98