Finding the Fourth Proportional to 116,766.32, 161,136.78 and 65,795.46

Step by Step Solution

1. Step 1: Write the proportion equation
   116,766.32 : 161,136.78 = 65,795.46 : x
2. Step 2: Convert to fraction form
   116,766.32/161,136.78 = 65,795.46/x
3. Step 3: Cross multiply
   116,766.32x = 161,136.78 × 65,795.46
4. Step 4: Simplify right side
   116,766.32x = 10,602,069,071.61
5. Step 5: Solve for x
   x = 10,602,069,071.61/116,766.32
6. Step 6: Final answer
   x = 90,797.32