Finding the Fourth Proportional to 290,224.89, 400,488.37 and 162,875.88

Step by Step Solution

1. Step 1: Write the proportion equation
   290,224.89 : 400,488.37 = 162,875.88 : x
2. Step 2: Convert to fraction form
   290,224.89/400,488.37 = 162,875.88/x
3. Step 3: Cross multiply
   290,224.89x = 400,488.37 × 162,875.88
4. Step 4: Simplify right side
   290,224.89x = 65,229,895,693.52
5. Step 5: Solve for x
   x = 65,229,895,693.52/290,224.89
6. Step 6: Final answer
   x = 224,756.38