Finding the Fourth Proportional to 37,209.34, 55,821.69 and 12,250.88

Step by Step Solution

1. Step 1: Write the proportion equation
   37,209.34 : 55,821.69 = 12,250.88 : x
2. Step 2: Convert to fraction form
   37,209.34/55,821.69 = 12,250.88/x
3. Step 3: Cross multiply
   37,209.34x = 55,821.69 × 12,250.88
4. Step 4: Simplify right side
   37,209.34x = 683,864,546.48
5. Step 5: Solve for x
   x = 683,864,546.48/37,209.34
6. Step 6: Final answer
   x = 18,378.84