Finding the Fourth Proportional to 116,970.08, 161,416.71 and 65,982.92

Step by Step Solution

1. Step 1: Write the proportion equation
   116,970.08 : 161,416.71 = 65,982.92 : x
2. Step 2: Convert to fraction form
   116,970.08/161,416.71 = 65,982.92/x
3. Step 3: Cross multiply
   116,970.08x = 161,416.71 × 65,982.92
4. Step 4: Simplify right side
   116,970.08x = 10,650,745,862.59
5. Step 5: Solve for x
   x = 10,650,745,862.59/116,970.08
6. Step 6: Final answer
   x = 91,055.30