Finding the Fourth Proportional to 116,992.96, 161,450.32 and 66,016.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,992.96 : 161,450.32 = 66,016.52 : x
2. Step 2: Convert to fraction form
   116,992.96/161,450.32 = 66,016.52/x
3. Step 3: Cross multiply
   116,992.96x = 161,450.32 × 66,016.52
4. Step 4: Simplify right side
   116,992.96x = 10,658,388,279.29
5. Step 5: Solve for x
   x = 10,658,388,279.29/116,992.96
6. Step 6: Final answer
   x = 91,102.82