Finding the Fourth Proportional to 314,215.72, 471,252.52 and 89,571.36

Step by Step Solution

1. Step 1: Write the proportion equation
   314,215.72 : 471,252.52 = 89,571.36 : x
2. Step 2: Convert to fraction form
   314,215.72/471,252.52 = 89,571.36/x
3. Step 3: Cross multiply
   314,215.72x = 471,252.52 × 89,571.36
4. Step 4: Simplify right side
   314,215.72x = 42,210,729,119.83
5. Step 5: Solve for x
   x = 42,210,729,119.83/314,215.72
6. Step 6: Final answer
   x = 134,336.78