Finding the Fourth Proportional to 116,875.81, 161,288.67 and 63,160.81

Step by Step Solution

1. Step 1: Write the proportion equation
   116,875.81 : 161,288.67 = 63,160.81 : x
2. Step 2: Convert to fraction form
   116,875.81/161,288.67 = 63,160.81/x
3. Step 3: Cross multiply
   116,875.81x = 161,288.67 × 63,160.81
4. Step 4: Simplify right side
   116,875.81x = 10,187,123,041.02
5. Step 5: Solve for x
   x = 10,187,123,041.02/116,875.81
6. Step 6: Final answer
   x = 87,161.95