Finding the Fourth Proportional to 422,229.98, 633,410.56 and 141,812.84

Step by Step Solution

1. Step 1: Write the proportion equation
   422,229.98 : 633,410.56 = 141,812.84 : x
2. Step 2: Convert to fraction form
   422,229.98/633,410.56 = 141,812.84/x
3. Step 3: Cross multiply
   422,229.98x = 633,410.56 × 141,812.84
4. Step 4: Simplify right side
   422,229.98x = 89,825,750,399.59
5. Step 5: Solve for x
   x = 89,825,750,399.59/422,229.98
6. Step 6: Final answer
   x = 212,741.29