Finding the Fourth Proportional to 116,118.77, 160,250.24 and 65,147.64

Step by Step Solution

1. Step 1: Write the proportion equation
   116,118.77 : 160,250.24 = 65,147.64 : x
2. Step 2: Convert to fraction form
   116,118.77/160,250.24 = 65,147.64/x
3. Step 3: Cross multiply
   116,118.77x = 160,250.24 × 65,147.64
4. Step 4: Simplify right side
   116,118.77x = 10,439,924,619.70
5. Step 5: Solve for x
   x = 10,439,924,619.70/116,118.77
6. Step 6: Final answer
   x = 89,907.30