Finding the Fourth Proportional to 37,409.52, 56,116.74 and 12,448.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,409.52 : 56,116.74 = 12,448.56 : x
2. Step 2: Convert to fraction form
   37,409.52/56,116.74 = 12,448.56/x
3. Step 3: Cross multiply
   37,409.52x = 56,116.74 × 12,448.56
4. Step 4: Simplify right side
   37,409.52x = 698,572,604.89
5. Step 5: Solve for x
   x = 698,572,604.89/37,409.52
6. Step 6: Final answer
   x = 18,673.66