Finding the Fourth Proportional to 116,962.02, 161,417.16 and 65,972.16

Step by Step Solution

1. Step 1: Write the proportion equation
   116,962.02 : 161,417.16 = 65,972.16 : x
2. Step 2: Convert to fraction form
   116,962.02/161,417.16 = 65,972.16/x
3. Step 3: Cross multiply
   116,962.02x = 161,417.16 × 65,972.16
4. Step 4: Simplify right side
   116,962.02x = 10,649,038,706.27
5. Step 5: Solve for x
   x = 10,649,038,706.27/116,962.02
6. Step 6: Final answer
   x = 91,046.98