Finding the Fourth Proportional to 42,428.41, 63,589.25 and 37,150.85

Step by Step Solution

1. Step 1: Write the proportion equation
   42,428.41 : 63,589.25 = 37,150.85 : x
2. Step 2: Convert to fraction form
   42,428.41/63,589.25 = 37,150.85/x
3. Step 3: Cross multiply
   42,428.41x = 63,589.25 × 37,150.85
4. Step 4: Simplify right side
   42,428.41x = 2,362,394,940.21
5. Step 5: Solve for x
   x = 2,362,394,940.21/42,428.41
6. Step 6: Final answer
   x = 55,679.56