Finding the Fourth Proportional to 114,786.86, 158,405.02 and 64,485.86

Step by Step Solution

1. Step 1: Write the proportion equation
   114,786.86 : 158,405.02 = 64,485.86 : x
2. Step 2: Convert to fraction form
   114,786.86/158,405.02 = 64,485.86/x
3. Step 3: Cross multiply
   114,786.86x = 158,405.02 × 64,485.86
4. Step 4: Simplify right side
   114,786.86x = 10,214,882,989.78
5. Step 5: Solve for x
   x = 10,214,882,989.78/114,786.86
6. Step 6: Final answer
   x = 88,990.01