Finding the Fourth Proportional to 116,838.31, 161,236.95 and 63,123.31

Step by Step Solution

1. Step 1: Write the proportion equation
   116,838.31 : 161,236.95 = 63,123.31 : x
2. Step 2: Convert to fraction form
   116,838.31/161,236.95 = 63,123.31/x
3. Step 3: Cross multiply
   116,838.31x = 161,236.95 × 63,123.31
4. Step 4: Simplify right side
   116,838.31x = 10,177,808,856.50
5. Step 5: Solve for x
   x = 10,177,808,856.50/116,838.31
6. Step 6: Final answer
   x = 87,110.20