Finding the Fourth Proportional to 37,100.27, 55,625.81 and 12,131.57

Step by Step Solution

1. Step 1: Write the proportion equation
   37,100.27 : 55,625.81 = 12,131.57 : x
2. Step 2: Convert to fraction form
   37,100.27/55,625.81 = 12,131.57/x
3. Step 3: Cross multiply
   37,100.27x = 55,625.81 × 12,131.57
4. Step 4: Simplify right side
   37,100.27x = 674,828,486.23
5. Step 5: Solve for x
   x = 674,828,486.23/37,100.27
6. Step 6: Final answer
   x = 18,189.31