Finding the Fourth Proportional to 116,954.42, 161,398.80 and 65,969.58

Step by Step Solution

1. Step 1: Write the proportion equation
   116,954.42 : 161,398.80 = 65,969.58 : x
2. Step 2: Convert to fraction form
   116,954.42/161,398.80 = 65,969.58/x
3. Step 3: Cross multiply
   116,954.42x = 161,398.80 × 65,969.58
4. Step 4: Simplify right side
   116,954.42x = 10,647,411,048.50
5. Step 5: Solve for x
   x = 10,647,411,048.50/116,954.42
6. Step 6: Final answer
   x = 91,038.98