Finding the Fourth Proportional to 114,945, 158,624.12 and 64,644

Step by Step Solution

1. Step 1: Write the proportion equation
   114,945 : 158,624.12 = 64,644 : x
2. Step 2: Convert to fraction form
   114,945/158,624.12 = 64,644/x
3. Step 3: Cross multiply
   114,945x = 158,624.12 × 64,644
4. Step 4: Simplify right side
   114,945x = 10,254,097,613.28
5. Step 5: Solve for x
   x = 10,254,097,613.28/114,945
6. Step 6: Final answer
   x = 89,208.73