Finding the Fourth Proportional to 290,151.59, 400,426.97 and 162,827.20

Step by Step Solution

1. Step 1: Write the proportion equation
   290,151.59 : 400,426.97 = 162,827.20 : x
2. Step 2: Convert to fraction form
   290,151.59/400,426.97 = 162,827.20/x
3. Step 3: Cross multiply
   290,151.59x = 400,426.97 × 162,827.20
4. Step 4: Simplify right side
   290,151.59x = 65,200,399,513.31
5. Step 5: Solve for x
   x = 65,200,399,513.31/290,151.59
6. Step 6: Final answer
   x = 224,711.50