Finding the Fourth Proportional to 116,838.33, 161,236.95 and 63,123.31

Step by Step Solution

1. Step 1: Write the proportion equation
   116,838.33 : 161,236.95 = 63,123.31 : x
2. Step 2: Convert to fraction form
   116,838.33/161,236.95 = 63,123.31/x
3. Step 3: Cross multiply
   116,838.33x = 161,236.95 × 63,123.31
4. Step 4: Simplify right side
   116,838.33x = 10,177,809,978.30
5. Step 5: Solve for x
   x = 10,177,809,978.30/116,838.33
6. Step 6: Final answer
   x = 87,110.20