Finding the Fourth Proportional to 42,442.89, 63,675.17 and 19,949.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,442.89 : 63,675.17 = 19,949.22 : x
2. Step 2: Convert to fraction form
   42,442.89/63,675.17 = 19,949.22/x
3. Step 3: Cross multiply
   42,442.89x = 63,675.17 × 19,949.22
4. Step 4: Simplify right side
   42,442.89x = 1,270,269,875.12
5. Step 5: Solve for x
   x = 1,270,269,875.12/42,442.89
6. Step 6: Final answer
   x = 29,928.92