Finding the Fourth Proportional to 116,173.12, 160,317.48 and 65,868.88

Step by Step Solution

1. Step 1: Write the proportion equation
   116,173.12 : 160,317.48 = 65,868.88 : x
2. Step 2: Convert to fraction form
   116,173.12/160,317.48 = 65,868.88/x
3. Step 3: Cross multiply
   116,173.12x = 160,317.48 × 65,868.88
4. Step 4: Simplify right side
   116,173.12x = 10,559,932,852.02
5. Step 5: Solve for x
   x = 10,559,932,852.02/116,173.12
6. Step 6: Final answer
   x = 90,898.25