Finding the Fourth Proportional to 37,669.05, 56,443.59 and 19,899.03

Step by Step Solution

1. Step 1: Write the proportion equation
   37,669.05 : 56,443.59 = 19,899.03 : x
2. Step 2: Convert to fraction form
   37,669.05/56,443.59 = 19,899.03/x
3. Step 3: Cross multiply
   37,669.05x = 56,443.59 × 19,899.03
4. Step 4: Simplify right side
   37,669.05x = 1,123,172,690.72
5. Step 5: Solve for x
   x = 1,123,172,690.72/37,669.05
6. Step 6: Final answer
   x = 29,816.86