Finding the Fourth Proportional to 37,144.32, 55,735.20 and 13,773.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,144.32 : 55,735.20 = 13,773.12 : x
2. Step 2: Convert to fraction form
   37,144.32/55,735.20 = 13,773.12/x
3. Step 3: Cross multiply
   37,144.32x = 55,735.20 × 13,773.12
4. Step 4: Simplify right side
   37,144.32x = 767,647,597.82
5. Step 5: Solve for x
   x = 767,647,597.82/37,144.32
6. Step 6: Final answer
   x = 20,666.62