Finding the Fourth Proportional to 114,555.60, 158,116.86 and 64,270.80

Step by Step Solution

1. Step 1: Write the proportion equation
   114,555.60 : 158,116.86 = 64,270.80 : x
2. Step 2: Convert to fraction form
   114,555.60/158,116.86 = 64,270.80/x
3. Step 3: Cross multiply
   114,555.60x = 158,116.86 × 64,270.80
4. Step 4: Simplify right side
   114,555.60x = 10,162,297,085.69
5. Step 5: Solve for x
   x = 10,162,297,085.69/114,555.60
6. Step 6: Final answer
   x = 88,710.61