Finding the Fourth Proportional to 37,022.21, 55,538.58 and 13,646.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,022.21 : 55,538.58 = 13,646.82 : x
2. Step 2: Convert to fraction form
   37,022.21/55,538.58 = 13,646.82/x
3. Step 3: Cross multiply
   37,022.21x = 55,538.58 × 13,646.82
4. Step 4: Simplify right side
   37,022.21x = 757,925,004.32
5. Step 5: Solve for x
   x = 757,925,004.32/37,022.21
6. Step 6: Final answer
   x = 20,472.17