Finding the Fourth Proportional to 114,649.50, 158,225.76 and 63,665.40

Step by Step Solution

1. Step 1: Write the proportion equation
   114,649.50 : 158,225.76 = 63,665.40 : x
2. Step 2: Convert to fraction form
   114,649.50/158,225.76 = 63,665.40/x
3. Step 3: Cross multiply
   114,649.50x = 158,225.76 × 63,665.40
4. Step 4: Simplify right side
   114,649.50x = 10,073,506,300.70
5. Step 5: Solve for x
   x = 10,073,506,300.70/114,649.50
6. Step 6: Final answer
   x = 87,863.50