Finding the Fourth Proportional to 114,650.72, 158,219.20 and 63,664.48

Step by Step Solution

1. Step 1: Write the proportion equation
   114,650.72 : 158,219.20 = 63,664.48 : x
2. Step 2: Convert to fraction form
   114,650.72/158,219.20 = 63,664.48/x
3. Step 3: Cross multiply
   114,650.72x = 158,219.20 × 63,664.48
4. Step 4: Simplify right side
   114,650.72x = 10,072,943,094.02
5. Step 5: Solve for x
   x = 10,072,943,094.02/114,650.72
6. Step 6: Final answer
   x = 87,857.65