Finding the Fourth Proportional to 37,448, 56,215.20 and 19,018.88

Step by Step Solution

1. Step 1: Write the proportion equation
   37,448 : 56,215.20 = 19,018.88 : x
2. Step 2: Convert to fraction form
   37,448/56,215.20 = 19,018.88/x
3. Step 3: Cross multiply
   37,448x = 56,215.20 × 19,018.88
4. Step 4: Simplify right side
   37,448x = 1,069,150,142.98
5. Step 5: Solve for x
   x = 1,069,150,142.98/37,448
6. Step 6: Final answer
   x = 28,550.26