Finding the Fourth Proportional to 114,996.69, 158,695.17 and 64,695.69

Step by Step Solution

1. Step 1: Write the proportion equation
   114,996.69 : 158,695.17 = 64,695.69 : x
2. Step 2: Convert to fraction form
   114,996.69/158,695.17 = 64,695.69/x
3. Step 3: Cross multiply
   114,996.69x = 158,695.17 × 64,695.69
4. Step 4: Simplify right side
   114,996.69x = 10,266,893,522.82
5. Step 5: Solve for x
   x = 10,266,893,522.82/114,996.69
6. Step 6: Final answer
   x = 89,279.90