Finding the Fourth Proportional to 42,167.20, 63,121.20 and 37,501.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,167.20 : 63,121.20 = 37,501.60 : x
2. Step 2: Convert to fraction form
   42,167.20/63,121.20 = 37,501.60/x
3. Step 3: Cross multiply
   42,167.20x = 63,121.20 × 37,501.60
4. Step 4: Simplify right side
   42,167.20x = 2,367,145,993.92
5. Step 5: Solve for x
   x = 2,367,145,993.92/42,167.20
6. Step 6: Final answer
   x = 56,137.14