Finding the Fourth Proportional to 114,955.31, 158,636.81 and 64,654.31

Step by Step Solution

1. Step 1: Write the proportion equation
   114,955.31 : 158,636.81 = 64,654.31 : x
2. Step 2: Convert to fraction form
   114,955.31/158,636.81 = 64,654.31/x
3. Step 3: Cross multiply
   114,955.31x = 158,636.81 × 64,654.31
4. Step 4: Simplify right side
   114,955.31x = 10,256,553,167.88
5. Step 5: Solve for x
   x = 10,256,553,167.88/114,955.31
6. Step 6: Final answer
   x = 89,222.09