Finding the Fourth Proportional to 114,957.34, 158,639.58 and 64,656.34

Step by Step Solution

1. Step 1: Write the proportion equation
   114,957.34 : 158,639.58 = 64,656.34 : x
2. Step 2: Convert to fraction form
   114,957.34/158,639.58 = 64,656.34/x
3. Step 3: Cross multiply
   114,957.34x = 158,639.58 × 64,656.34
4. Step 4: Simplify right side
   114,957.34x = 10,257,054,621.94
5. Step 5: Solve for x
   x = 10,257,054,621.94/114,957.34
6. Step 6: Final answer
   x = 89,224.88