Finding the Fourth Proportional to 114,530.50, 158,052.18 and 64,229.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,530.50 : 158,052.18 = 64,229.50 : x
2. Step 2: Convert to fraction form
   114,530.50/158,052.18 = 64,229.50/x
3. Step 3: Cross multiply
   114,530.50x = 158,052.18 × 64,229.50
4. Step 4: Simplify right side
   114,530.50x = 10,151,612,495.31
5. Step 5: Solve for x
   x = 10,151,612,495.31/114,530.50
6. Step 6: Final answer
   x = 88,636.76