Finding the Fourth Proportional to 116,887.76, 161,297.01 and 65,902.31

Step by Step Solution

1. Step 1: Write the proportion equation
   116,887.76 : 161,297.01 = 65,902.31 : x
2. Step 2: Convert to fraction form
   116,887.76/161,297.01 = 65,902.31/x
3. Step 3: Cross multiply
   116,887.76x = 161,297.01 × 65,902.31
4. Step 4: Simplify right side
   116,887.76x = 10,629,844,748.61
5. Step 5: Solve for x
   x = 10,629,844,748.61/116,887.76
6. Step 6: Final answer
   x = 90,940.62