Finding the Fourth Proportional to 114,978.12, 158,668.02 and 64,677.24

Step by Step Solution

1. Step 1: Write the proportion equation
   114,978.12 : 158,668.02 = 64,677.24 : x
2. Step 2: Convert to fraction form
   114,978.12/158,668.02 = 64,677.24/x
3. Step 3: Cross multiply
   114,978.12x = 158,668.02 × 64,677.24
4. Step 4: Simplify right side
   114,978.12x = 10,262,209,609.86
5. Step 5: Solve for x
   x = 10,262,209,609.86/114,978.12
6. Step 6: Final answer
   x = 89,253.59