Finding the Fourth Proportional to 114,690.54, 158,273.10 and 64,389.54

Step by Step Solution

1. Step 1: Write the proportion equation
   114,690.54 : 158,273.10 = 64,389.54 : x
2. Step 2: Convert to fraction form
   114,690.54/158,273.10 = 64,389.54/x
3. Step 3: Cross multiply
   114,690.54x = 158,273.10 × 64,389.54
4. Step 4: Simplify right side
   114,690.54x = 10,191,132,103.37
5. Step 5: Solve for x
   x = 10,191,132,103.37/114,690.54
6. Step 6: Final answer
   x = 88,857.65