Finding the Fourth Proportional to 116,180.12, 160,321.92 and 64,494.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,180.12 : 160,321.92 = 64,494.56 : x
2. Step 2: Convert to fraction form
   116,180.12/160,321.92 = 64,494.56/x
3. Step 3: Cross multiply
   116,180.12x = 160,321.92 × 64,494.56
4. Step 4: Simplify right side
   116,180.12x = 10,339,891,688.76
5. Step 5: Solve for x
   x = 10,339,891,688.76/116,180.12
6. Step 6: Final answer
   x = 88,998.80