Finding the Fourth Proportional to 116,174.17, 160,311 and 65,179.90

Step by Step Solution

1. Step 1: Write the proportion equation
   116,174.17 : 160,311 = 65,179.90 : x
2. Step 2: Convert to fraction form
   116,174.17/160,311 = 65,179.90/x
3. Step 3: Cross multiply
   116,174.17x = 160,311 × 65,179.90
4. Step 4: Simplify right side
   116,174.17x = 10,449,054,948.90
5. Step 5: Solve for x
   x = 10,449,054,948.90/116,174.17
6. Step 6: Final answer
   x = 89,943.01