Finding the Fourth Proportional to 42,182.28, 63,141.66 and 28,153.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,182.28 : 63,141.66 = 28,153.80 : x
2. Step 2: Convert to fraction form
   42,182.28/63,141.66 = 28,153.80/x
3. Step 3: Cross multiply
   42,182.28x = 63,141.66 × 28,153.80
4. Step 4: Simplify right side
   42,182.28x = 1,777,677,667.31
5. Step 5: Solve for x
   x = 1,777,677,667.31/42,182.28
6. Step 6: Final answer
   x = 42,142.76