Finding the Fourth Proportional to 116,895.76, 161,312.91 and 65,908.04

Step by Step Solution

1. Step 1: Write the proportion equation
   116,895.76 : 161,312.91 = 65,908.04 : x
2. Step 2: Convert to fraction form
   116,895.76/161,312.91 = 65,908.04/x
3. Step 3: Cross multiply
   116,895.76x = 161,312.91 × 65,908.04
4. Step 4: Simplify right side
   116,895.76x = 10,631,817,724.80
5. Step 5: Solve for x
   x = 10,631,817,724.80/116,895.76
6. Step 6: Final answer
   x = 90,951.27