Finding the Fourth Proportional to 42,228.42, 63,384.48 and 37,515.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,228.42 : 63,384.48 = 37,515.42 : x
2. Step 2: Convert to fraction form
   42,228.42/63,384.48 = 37,515.42/x
3. Step 3: Cross multiply
   42,228.42x = 63,384.48 × 37,515.42
4. Step 4: Simplify right side
   42,228.42x = 2,377,895,388.68
5. Step 5: Solve for x
   x = 2,377,895,388.68/42,228.42
6. Step 6: Final answer
   x = 56,310.31