Finding the Fourth Proportional to 42,401.88, 63,613.62 and 19,037.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,401.88 : 63,613.62 = 19,037.16 : x
2. Step 2: Convert to fraction form
   42,401.88/63,613.62 = 19,037.16/x
3. Step 3: Cross multiply
   42,401.88x = 63,613.62 × 19,037.16
4. Step 4: Simplify right side
   42,401.88x = 1,211,022,662.12
5. Step 5: Solve for x
   x = 1,211,022,662.12/42,401.88
6. Step 6: Final answer
   x = 28,560.59