Finding the Fourth Proportional to 114,996.30, 158,694.72 and 64,695.30

Step by Step Solution

1. Step 1: Write the proportion equation
   114,996.30 : 158,694.72 = 64,695.30 : x
2. Step 2: Convert to fraction form
   114,996.30/158,694.72 = 64,695.30/x
3. Step 3: Cross multiply
   114,996.30x = 158,694.72 × 64,695.30
4. Step 4: Simplify right side
   114,996.30x = 10,266,802,518.82
5. Step 5: Solve for x
   x = 10,266,802,518.82/114,996.30
6. Step 6: Final answer
   x = 89,279.42