Finding the Fourth Proportional to 116,994.42, 161,452.34 and 66,017.96

Step by Step Solution

1. Step 1: Write the proportion equation
   116,994.42 : 161,452.34 = 66,017.96 : x
2. Step 2: Convert to fraction form
   116,994.42/161,452.34 = 66,017.96/x
3. Step 3: Cross multiply
   116,994.42x = 161,452.34 × 66,017.96
4. Step 4: Simplify right side
   116,994.42x = 10,658,754,124.03
5. Step 5: Solve for x
   x = 10,658,754,124.03/116,994.42
6. Step 6: Final answer
   x = 91,104.81