Finding the Fourth Proportional to 116,401, 160,633.40 and 63,409

Step by Step Solution

1. Step 1: Write the proportion equation
   116,401 : 160,633.40 = 63,409 : x
2. Step 2: Convert to fraction form
   116,401/160,633.40 = 63,409/x
3. Step 3: Cross multiply
   116,401x = 160,633.40 × 63,409
4. Step 4: Simplify right side
   116,401x = 10,185,603,260.60
5. Step 5: Solve for x
   x = 10,185,603,260.60/116,401
6. Step 6: Final answer
   x = 87,504.43