Finding the Fourth Proportional to 201,722.72, 302,443.56 and 89,341.84

Step by Step Solution

1. Step 1: Write the proportion equation
   201,722.72 : 302,443.56 = 89,341.84 : x
2. Step 2: Convert to fraction form
   201,722.72/302,443.56 = 89,341.84/x
3. Step 3: Cross multiply
   201,722.72x = 302,443.56 × 89,341.84
4. Step 4: Simplify right side
   201,722.72x = 27,020,864,146.55
5. Step 5: Solve for x
   x = 27,020,864,146.55/201,722.72
6. Step 6: Final answer
   x = 133,950.52