Finding the Fourth Proportional to 422,227.98, 633,407.56 and 141,810.84

Step by Step Solution

1. Step 1: Write the proportion equation
   422,227.98 : 633,407.56 = 141,810.84 : x
2. Step 2: Convert to fraction form
   422,227.98/633,407.56 = 141,810.84/x
3. Step 3: Cross multiply
   422,227.98x = 633,407.56 × 141,810.84
4. Step 4: Simplify right side
   422,227.98x = 89,824,058,145.95
5. Step 5: Solve for x
   x = 89,824,058,145.95/422,227.98
6. Step 6: Final answer
   x = 212,738.29