Finding the Fourth Proportional to 37,188.64, 55,805.12 and 13,498.03

Step by Step Solution

1. Step 1: Write the proportion equation
   37,188.64 : 55,805.12 = 13,498.03 : x
2. Step 2: Convert to fraction form
   37,188.64/55,805.12 = 13,498.03/x
3. Step 3: Cross multiply
   37,188.64x = 55,805.12 × 13,498.03
4. Step 4: Simplify right side
   37,188.64x = 753,259,183.91
5. Step 5: Solve for x
   x = 753,259,183.91/37,188.64
6. Step 6: Final answer
   x = 20,255.09