Finding the Fourth Proportional to 64,814, 89,443.36 and 35,006

Step by Step Solution

1. Step 1: Write the proportion equation
   64,814 : 89,443.36 = 35,006 : x
2. Step 2: Convert to fraction form
   64,814/89,443.36 = 35,006/x
3. Step 3: Cross multiply
   64,814x = 89,443.36 × 35,006
4. Step 4: Simplify right side
   64,814x = 3,131,054,260.16
5. Step 5: Solve for x
   x = 3,131,054,260.16/64,814
6. Step 6: Final answer
   x = 48,308.30