Finding the Fourth Proportional to 116,523.36, 160,803.36 and 66,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,523.36 : 160,803.36 = 66,222.72 : x
2. Step 2: Convert to fraction form
   116,523.36/160,803.36 = 66,222.72/x
3. Step 3: Cross multiply
   116,523.36x = 160,803.36 × 66,222.72
4. Step 4: Simplify right side
   116,523.36x = 10,648,835,884.34
5. Step 5: Solve for x
   x = 10,648,835,884.34/116,523.36
6. Step 6: Final answer
   x = 91,387.99