Finding the Fourth Proportional to 213,694.72, 320,526.72 and 95,376.64

Step by Step Solution

1. Step 1: Write the proportion equation
   213,694.72 : 320,526.72 = 95,376.64 : x
2. Step 2: Convert to fraction form
   213,694.72/320,526.72 = 95,376.64/x
3. Step 3: Cross multiply
   213,694.72x = 320,526.72 × 95,376.64
4. Step 4: Simplify right side
   213,694.72x = 30,570,761,583.82
5. Step 5: Solve for x
   x = 30,570,761,583.82/213,694.72
6. Step 6: Final answer
   x = 143,058.10