Finding the Fourth Proportional to 42,133.52, 63,218.72 and 19,962.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,133.52 : 63,218.72 = 19,962.72 : x
2. Step 2: Convert to fraction form
   42,133.52/63,218.72 = 19,962.72/x
3. Step 3: Cross multiply
   42,133.52x = 63,218.72 × 19,962.72
4. Step 4: Simplify right side
   42,133.52x = 1,262,017,606.12
5. Step 5: Solve for x
   x = 1,262,017,606.12/42,133.52
6. Step 6: Final answer
   x = 29,952.82