Finding the Fourth Proportional to 292,950.72, 404,282.88 and 165,618.72

Step by Step Solution

1. Step 1: Write the proportion equation
   292,950.72 : 404,282.88 = 165,618.72 : x
2. Step 2: Convert to fraction form
   292,950.72/404,282.88 = 165,618.72/x
3. Step 3: Cross multiply
   292,950.72x = 404,282.88 × 165,618.72
4. Step 4: Simplify right side
   292,950.72x = 66,956,813,103.51
5. Step 5: Solve for x
   x = 66,956,813,103.51/292,950.72
6. Step 6: Final answer
   x = 228,559.99