Finding the Fourth Proportional to 37,632.10, 56,456.47 and 12,671.33

Step by Step Solution

1. Step 1: Write the proportion equation
   37,632.10 : 56,456.47 = 12,671.33 : x
2. Step 2: Convert to fraction form
   37,632.10/56,456.47 = 12,671.33/x
3. Step 3: Cross multiply
   37,632.10x = 56,456.47 × 12,671.33
4. Step 4: Simplify right side
   37,632.10x = 715,378,562.01
5. Step 5: Solve for x
   x = 715,378,562.01/37,632.10
6. Step 6: Final answer
   x = 19,009.80