Finding the Fourth Proportional to 116,955.48, 161,388.78 and 69,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,955.48 : 161,388.78 = 69,200.50 : x
2. Step 2: Convert to fraction form
   116,955.48/161,388.78 = 69,200.50/x
3. Step 3: Cross multiply
   116,955.48x = 161,388.78 × 69,200.50
4. Step 4: Simplify right side
   116,955.48x = 11,168,184,270.39
5. Step 5: Solve for x
   x = 11,168,184,270.39/116,955.48
6. Step 6: Final answer
   x = 95,490.90