Finding the Fourth Proportional to 42,561.45, 63,755.88 and 19,733.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,561.45 : 63,755.88 = 19,733.22 : x
2. Step 2: Convert to fraction form
   42,561.45/63,755.88 = 19,733.22/x
3. Step 3: Cross multiply
   42,561.45x = 63,755.88 × 19,733.22
4. Step 4: Simplify right side
   42,561.45x = 1,258,108,806.33
5. Step 5: Solve for x
   x = 1,258,108,806.33/42,561.45
6. Step 6: Final answer
   x = 29,559.82