Finding the Fourth Proportional to 37,018.72, 55,538.83 and 13,325.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,018.72 : 55,538.83 = 13,325.82 : x
2. Step 2: Convert to fraction form
   37,018.72/55,538.83 = 13,325.82/x
3. Step 3: Cross multiply
   37,018.72x = 55,538.83 × 13,325.82
4. Step 4: Simplify right side
   37,018.72x = 740,100,259.98
5. Step 5: Solve for x
   x = 740,100,259.98/37,018.72
6. Step 6: Final answer
   x = 19,992.59