Finding the Fourth Proportional to 42,274.82, 63,387.57 and 28,250.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,274.82 : 63,387.57 = 28,250.69 : x
2. Step 2: Convert to fraction form
   42,274.82/63,387.57 = 28,250.69/x
3. Step 3: Cross multiply
   42,274.82x = 63,387.57 × 28,250.69
4. Step 4: Simplify right side
   42,274.82x = 1,790,742,378.93
5. Step 5: Solve for x
   x = 1,790,742,378.93/42,274.82
6. Step 6: Final answer
   x = 42,359.55