Finding the Fourth Proportional to 37,640.98, 56,443.59 and 21,850.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,640.98 : 56,443.59 = 21,850.86 : x
2. Step 2: Convert to fraction form
   37,640.98/56,443.59 = 21,850.86/x
3. Step 3: Cross multiply
   37,640.98x = 56,443.59 × 21,850.86
4. Step 4: Simplify right side
   37,640.98x = 1,233,341,194.65
5. Step 5: Solve for x
   x = 1,233,341,194.65/37,640.98
6. Step 6: Final answer
   x = 32,765.92