Finding the Fourth Proportional to 116,499.47, 160,765.43 and 65,514.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,499.47 : 160,765.43 = 65,514.42 : x
2. Step 2: Convert to fraction form
   116,499.47/160,765.43 = 65,514.42/x
3. Step 3: Cross multiply
   116,499.47x = 160,765.43 × 65,514.42
4. Step 4: Simplify right side
   116,499.47x = 10,532,453,574.93
5. Step 5: Solve for x
   x = 10,532,453,574.93/116,499.47
6. Step 6: Final answer
   x = 90,407.74