Finding the Fourth Proportional to 42,275.82, 63,389.07 and 28,251.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,275.82 : 63,389.07 = 28,251.69 : x
2. Step 2: Convert to fraction form
   42,275.82/63,389.07 = 28,251.69/x
3. Step 3: Cross multiply
   42,275.82x = 63,389.07 × 28,251.69
4. Step 4: Simplify right side
   42,275.82x = 1,790,848,355.03
5. Step 5: Solve for x
   x = 1,790,848,355.03/42,275.82
6. Step 6: Final answer
   x = 42,361.06