Finding the Fourth Proportional to 42,154.42, 63,282.57 and 19,686.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,154.42 : 63,282.57 = 19,686.46 : x
2. Step 2: Convert to fraction form
   42,154.42/63,282.57 = 19,686.46/x
3. Step 3: Cross multiply
   42,154.42x = 63,282.57 × 19,686.46
4. Step 4: Simplify right side
   42,154.42x = 1,245,809,783.00
5. Step 5: Solve for x
   x = 1,245,809,783.00/42,154.42
6. Step 6: Final answer
   x = 29,553.48