Finding the Fourth Proportional to 37,032.52, 55,557.55 and 12,072.70

Step by Step Solution

1. Step 1: Write the proportion equation
   37,032.52 : 55,557.55 = 12,072.70 : x
2. Step 2: Convert to fraction form
   37,032.52/55,557.55 = 12,072.70/x
3. Step 3: Cross multiply
   37,032.52x = 55,557.55 × 12,072.70
4. Step 4: Simplify right side
   37,032.52x = 670,729,573.52
5. Step 5: Solve for x
   x = 670,729,573.52/37,032.52
6. Step 6: Final answer
   x = 18,111.91