Finding the Fourth Proportional to 114,514.72, 158,031.20 and 63,530.80

Step by Step Solution

1. Step 1: Write the proportion equation
   114,514.72 : 158,031.20 = 63,530.80 : x
2. Step 2: Convert to fraction form
   114,514.72/158,031.20 = 63,530.80/x
3. Step 3: Cross multiply
   114,514.72x = 158,031.20 × 63,530.80
4. Step 4: Simplify right side
   114,514.72x = 10,039,848,560.96
5. Step 5: Solve for x
   x = 10,039,848,560.96/114,514.72
6. Step 6: Final answer
   x = 87,673.00