Finding the Fourth Proportional to 266,667.87, 400,002.18 and 108,896.32

Step by Step Solution

1. Step 1: Write the proportion equation
   266,667.87 : 400,002.18 = 108,896.32 : x
2. Step 2: Convert to fraction form
   266,667.87/400,002.18 = 108,896.32/x
3. Step 3: Cross multiply
   266,667.87x = 400,002.18 × 108,896.32
4. Step 4: Simplify right side
   266,667.87x = 43,558,765,393.98
5. Step 5: Solve for x
   x = 43,558,765,393.98/266,667.87
6. Step 6: Final answer
   x = 163,344.63