Finding the Fourth Proportional to 42,119.52, 63,197.72 and 19,948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,119.52 : 63,197.72 = 19,948.72 : x
2. Step 2: Convert to fraction form
   42,119.52/63,197.72 = 19,948.72/x
3. Step 3: Cross multiply
   42,119.52x = 63,197.72 × 19,948.72
4. Step 4: Simplify right side
   42,119.52x = 1,260,713,620.92
5. Step 5: Solve for x
   x = 1,260,713,620.92/42,119.52
6. Step 6: Final answer
   x = 29,931.81