Finding the Fourth Proportional to 37,040.78, 55,564.52 and 12,074.36

Step by Step Solution

1. Step 1: Write the proportion equation
   37,040.78 : 55,564.52 = 12,074.36 : x
2. Step 2: Convert to fraction form
   37,040.78/55,564.52 = 12,074.36/x
3. Step 3: Cross multiply
   37,040.78x = 55,564.52 × 12,074.36
4. Step 4: Simplify right side
   37,040.78x = 670,905,679.51
5. Step 5: Solve for x
   x = 670,905,679.51/37,040.78
6. Step 6: Final answer
   x = 18,112.62