Finding the Fourth Proportional to 201,667.84, 302,314.82 and 89,288.18

Step by Step Solution

1. Step 1: Write the proportion equation
   201,667.84 : 302,314.82 = 89,288.18 : x
2. Step 2: Convert to fraction form
   201,667.84/302,314.82 = 89,288.18/x
3. Step 3: Cross multiply
   201,667.84x = 302,314.82 × 89,288.18
4. Step 4: Simplify right side
   201,667.84x = 26,993,140,064.83
5. Step 5: Solve for x
   x = 26,993,140,064.83/201,667.84
6. Step 6: Final answer
   x = 133,849.50