Finding the Fourth Proportional to 114,979.69, 158,676.56 and 63,994.57

Step by Step Solution

1. Step 1: Write the proportion equation
   114,979.69 : 158,676.56 = 63,994.57 : x
2. Step 2: Convert to fraction form
   114,979.69/158,676.56 = 63,994.57/x
3. Step 3: Cross multiply
   114,979.69x = 158,676.56 × 63,994.57
4. Step 4: Simplify right side
   114,979.69x = 10,154,437,749.59
5. Step 5: Solve for x
   x = 10,154,437,749.59/114,979.69
6. Step 6: Final answer
   x = 88,315.05